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06.16.08 (2:05 am)   [edit]

United Medical Network laboratory findings


Intramuscular injections, particularly favored by bodybuilders and competitive athletes, produce a sharp spike of the hormone, and then a fall, and these fluctuations are often accompanied by swings in mood, libido, and energy. In the late eighties, a transdermal patch was developed, and its use is still widespread. The patch provides safer and steadier dosing, but often causes skin irritation, and sometimes falls off during exercise.( United Medical Network testosterone-replacement therapy)

United Medical Network psychological conditions
United Medical Network => Prostatic hypertrophy. Testosterone replacement increases the size of the gland to normal, and presumably the risk of benign hyperplasia along with it. Dr. Synder participated in a multicenter study of 108 hypogonadal men given transdermal testosterone or placebo. �Prostate events� occurred in 16 of 54 testosterone patients and in 11 of 54 placebo patients.
United Medical Network United Medical Network benefits United Medical Network Reproductive Medicine
Estrogel became available 4 years ago as the first estrogen gel to treat natural or surgically induced estrogen deficiency or menopausal symptoms such as hot flashes, vaginal atrophy, mood swings, and sleep disturbances. This ERT is a transdermal preparation combining a hydroalcoholic gel and 0.06% 17--estradiol derived from yam. Estrogel has a low side effect profile and is associated with a lower incidence of skin irritation, compared with transdermal estrogen patches, and has a 20-year track record of safe, effective use in Europe.

United Medical Network laboratory findings
The National Institute on Aging has begun work on a 1-year study to evaluate the feasibility of conducting clinical trials of testosterone replacement therapy in older men. A task force will report on the known benefits and risks of the therapy, its potential public health impact, and the ethical issues involved in conducting such a clinical trial. The report is expected by November, said Dr. Stanley Slater, deputy director of the institute's geriatrics and clinical gerontology program.

Reversing a long-standing anti-vitamin policy, The Journal of the American Medical Association today is advising all adults to take at least one multivitamin pill each day. Scientists' understanding of the benefits of vitamins has rapidly advanced, and it now appears that people who get enough vitamins may be able to prevent such common chronic illnesses as cancer, heart disease and osteoporosis, according to Drs. Robert Fletcher and Kathleen Fairfield of Harvard University, who wrote the new guidelines.

United Medical Network hormone replacement
No risk reduction was evident when multivitamin use was begun after the first month of pregnancy. If these associations are causal, the results suggest that approximately one in four major cardiac defects could be prevented by periconceptional multivitamin use.OBJECTIVE--To examine the relationship between total serum carotenoid levels and the risk of subsequent coronary heart disease (CHD) events.

DESIGN--New analysis of a cohort from the Lipid Research Clinics Coronary Primary Prevention Trial and Follow-up Study (LRC-CPPT). The LRC-CPPT was a multicenter placebo-controlled trial of cholestyramine resin and CHD with a follow-up period of 13 years. Serum carotenoids were measured at baseline. PARTICIPANTS--The placebo group of the LRC-CPPT, which consisted of 1899 men aged 40 to 59 years with type II-a hyperlipidemia and without known preexisting CHD, cancer, or other major illnesses.

United Medical Network thorough evaluation
United Medical Network Endocrinology => Drug interactions, too, might alter testosterone levels in unpredictable ways. And much of the variation simply eludes explanation. Crowley studied several young men whose initial test results showed testosterone levels ranging from 150 to 200�well below the 300 cutoff�over twenty-four hours. "They had a perfectly normal testosterone profile," Crowley says. "There can be a funny disconnect between one measurement and a later one"�which means that testosterone deficiency may be easily overdiagnosed.
United Medical Network Endocrinology United Medical Network research United Medical Network the risks of cancer
That was at a time when knowledge about vitamins was just beginning to expand. The role that low levels of folate, or folic acid, play in neural tube defects, for instance, was not known, nor was its role as a major risk factor for heart disease. Researchers hope JAMA's endorsement will encourage more people to reap health benefits of a daily multivitamin.( United Medical Network thorough evaluation)

United Medical Network Endocrinology
The response to transdermal estradiol was �quite rapid,� compared with conventional antidepressants, Dr. Hensley said. Depressive symptoms improved noticeably within the first 2-4 weeks. Moreover, transdermal estradiol's antidepressant effect remained significant during the 4-week washout period at the end of the 12-week study period.

As men age, the response of the testes becomes more muted; for men over the age of forty, the levels of testosterone in the bloodstream decline, on average, by about 1.2 per cent each year. Morgentaler's next patient was a construction worker in his forties. The man was on cardiac medication and had an implanted defibrillator, because he was prone to life-threatening arrhythmias, and occasionally he received electric jolts from the device.

United Medical Network recent studies
The decline in skin collagen that coincides with aging is known to occur at a greater rate during the first few years after menopause. One study found that within the first 5 years after the onset of menopause, roughly 30% of skin collagen is lost, with an average decline of 2.1% per postmenopausal year over a period of 20 years (Br. Med. J. [Clin. Res. Ed.] 287[6402]:1337-38, 1983). Patients in this study who were treated with ERT experienced an increase in skin collagen. In fact, women on HRT had a skin collagen content 48% higher than those not on HRT.

The study, presented this week at the annual meeting of the American Urological Association in Orlando, Fla., looked at 138 premature ejaculators who started out using a numbing ointment. Thirty-eight were satisfied with that treatment. The remaining 100 started taking Paxil, and 42 of them were satisfied with that, leaving 58 who took Paxil with Viagra.

United Medical Network the risks of cancer
United Medical Network cardiovascular disease => Drug interactions, too, might alter testosterone levels in unpredictable ways. And much of the variation simply eludes explanation. Crowley studied several young men whose initial test results showed testosterone levels ranging from 150 to 200�well below the 300 cutoff�over twenty-four hours. "They had a perfectly normal testosterone profile," Crowley says. "There can be a funny disconnect between one measurement and a later one"�which means that testosterone deficiency may be easily overdiagnosed.
United Medical Network cardiovascular disease United Medical Network long-term safety United Medical Network conducting clinical trials
The main outcome measures were incident ischemic and hemorrhagic strokes. RESULTS: A total of 725 incident strokes, including 455 ischemic, 125 hemorrhagic, and 145 unknown types of stroke, were documented during the 14-year follow-up. After adjustment for major lifestyle and dietary factors, intake of folate was associated with a significantly lower risk of ischemic but not hemorrhagic stroke. The multivariate relative risk of ischemic stroke was 0.71 (95% CI, 0.52 to 0.96; P for trend=0.05) for men in the highest quintile of intake compared with those who in the lowest quintile.

United Medical Network conducting clinical trials
In summary, coenzyme Q(10) therapy is associated with significant functional, clinical, and hemodynamic improvements within the context of an extremely favorable benefit-to-risk ratio. Coenzyme Q(10) enhances cardiac output by exerting a positive inotropic effect upon the myocardium as well as mild vasodilatation.Epidemiological studies suggest that the consumption of wine, particularly of red wine, reduces the incidence of mortality and morbidity from coronary heart disease.

Clarkson and Karas said there are several possible explanations for the discordant findings between observational studies and WHI. "One of the most striking differences is the age of the patients being studied," they wrote. "In the observation studies, women began HRT at a relatively young age. WHI women, however, averaged 63 years old when therapy was begun."( United Medical Network conducting clinical trials)

United Medical Network cardiovascular disease
On the one hand, unnecessary biopsies can lead to unnecessary surgery, aimed at eradicating cancers that might have remained inactive. On the other hand, biopsies can easily miss cancers that, under a regimen of testosterone replacement, become more aggressive than they otherwise would be. Not surprisingly, Dr. Shames says that the F.D.A. has "issues of concern over the safety" of prescribing testosterone-replacement therapy for men whose hormone levels fall as part of normal aging.

Data Synthesis Our review of 9 vitamins showed that elderly people, vegans, alcohol-dependent individuals, and patients with malabsorption are at higher risk of inadequate intake or absorption of several vitamins. Excessive doses of vitamin A during early pregnancy and fat-soluble vitamins taken anytime may result in adverse outcomes. Inadequate folate status is associated with neural tube defect and some cancers. Folate and vitamins B6 and B12 are required for homocysteine metabolism and are associated with coronary heart disease risk. Vitamin E and lycopene may decrease the risk of prostate cancer. Vitamin D is associated with decreased occurrence of fractures when taken with calcium.

United Medical Network research
United Medical Network laboratory findings => Doctors are told to "screen for symptoms of low testosterone" and "restore normal testosterone levels." These ads were paid for by Unimed, a division of the Belgian conglomerate Solvay. Unimed makes AndroGel, a drug that was approved by the F.D.A. two years ago, and is the fastest-growing form of testosterone-replacement therapy for men. Pills, introduced in the sixties, often caused liver damage.

More troubling is how testosterone accelerates the growth of prostate cancer. The majority of men over the age of sixty-five have clusters of cancer cells in their prostate glands which are both "occult" and "indolent": they're hard to find, and they grow so slowly that they're unlikely to create any trouble by themselves. Here the perils are twofold.

United Medical Network - AndroGel
The 958 case infants with nonsyndromic cardiac defects were actively ascertained from multiple sources. The 3,029 infants without birth defects (control infants) were selected from birth certificates by stratified random sampling. Periconceptional multivitamin use, defined as reported regular use of multivitamins from 3 months before pregnancy through the first 3 months of pregnancy, was contrasted with no use during the same time period. Periconceptional multivitamin use was associated with a reduced risk for nonsyndromic cardiac defects in the offspring (odds ratio (OR) = 0.76; 95% confidence interval (Cl): 0.60, 0.97). The risk reduction was strongest for outflow tract defects (OR = 0.46; 95% Cl 0.24, 0.86) and ventricular septal defects (OR = 0.61; 95% Cl: 0.38, 0.99).

In light of the observed effects of topical estrogen on skin thickness and connective tissue, interest emerged on the potential results for facial skin of topical estrogen administration. Side effects: Adverse local side effects, such as allergic contact dermatitis, are seen in about 20% of patients who use transdermal estradiol (J. Reprod. Med. 47[6]:507-09, 2002).

United Medical Network perform a full evaluation
Full remission of depression as documented by a reduction in the Montgomery-Asberg Depression Rating Scale to below 10 was achieved in 17 of 25 women (68%) on transdermal estradiol, compared with just 5 (20%) on placebo. The estradiol patch appeared to be equally effective regardless of which DSM-IV depressive diagnosis a woman carried.

Viagra may have had a psychological effect, too: With a firmer erection, they had more confidence, so they had more control. Melman says he thinks that is a more likely explanation. "I'm sure that's true," he says. "Much of the reason for premature ejaculation is psychological, not physical." Juza says more research is needed to learn about using Viagra as a treatment for premature ejaculation.( United Medical Network genetic disorders)

United Medical Network genetic studies
United Medical Network the symptoms of hypogonadism => The transdermal estradiol antidepressant study was conducted by Dr. Claudio de Navaes Soares and colleagues at Harvard Medical School, Boston, and the University of Sao Paolo, Brazil. The trial involved 50 perimenopausal women aged 40-55 with an FSH level greater than 25 IU/L and irregular menstrual periods.

Research has identified both estrogen and androgen receptors on dermal fibroblasts and epidermal keratinocytes (J. Reprod. Med. 35[11]:1015-16, 1990). Distribution is inconsistent, with a preponderance of estrogen receptors located on skin overlying the female external genitalia, as well as the face, breast, and thigh. The areas of the epidermis found to be most sensitive to estrogen are concentrated in the granular layer, although estrogen-sensitive structures are also present throughout the epidermis, in hair follicles, and the sebaceous glands (Br. J. Dermatol. 117[2]:217-24, 1987).

United Medical Network physical assessment
They also reviewed trials of postmenopausal monkeys conducted at Wake Forest over the past 12 years. "The literature demonstrates that HRT has beneficial effects in inhibiting the early stages of heart vessel disease, but can have deleterious effects if initiated at older ages when some women have already developed disease," said Clarkson.

Testosterone also raises the level of circulating red blood cells; if this level is excessive, the blood becomes viscous, which can lead to congestive heart failure or stroke. And among men who received a 100-milligram daily dose of AndroGel over a year, nearly twenty per cent developed some sort of prostate disorder, such as prostatic hyperplasia.

United Medical Network diagnosis and treatment
Targeted antioxidant vitamin intake should be included in CVD risk assessment and primary preventive counseling efforts. The purpose of this study was to assess the relation between maternal multivitamin use and risk for cardiac defects in the offspring, using a population-based approach. The Atlanta Birth Defects Case-Control study is a population-based case-control study of infants born between 1968 and 1980 to mothers residing in metropolitan Atlanta, Georgia.

Over the course of three months, the men took one dose of Paxil seven hours before sex and one dose of Viagra one hour before sex. They noted how long they were able to have sexual intercourse, from the moment they entered a partner's vagina to the moment they ejaculated. In the beginning, they were able to sustain intercourse for less than one minute to three minutes.

United Medical Network
United Medical Network genetic disorders => Some prospective assessment of the effect of supplemental antioxidants also suggests benefit, especially for vitamin E; however, there are conflicting results in this area. Overall, it appears that antioxidant nutrients, especially those from food sources, have important roles in preventing pathogenic processes related to cancer, cardiovascular disease, macular degeneration, cataracts, and asthma, and may enhance immune function.

For years, doctors had prescribed hormone replacement therapy to prevent heart disease in postmenopausal women. These treatment decisions were based on observational studies showing that women who took estrogen had fewer heart attacks. But, these assumptions were called into question with studies such as WHI.( United Medical Network Endocrinology)

United Medical Network therapy
" Mounting evidence points to the conclusion that HRT can help prevent heart vessel disease � if the therapy begins around the time that the body stops making its own estrogen," said Thomas B. Clarkson, D.V.M., of Wake Forest. "The question may not be if estrogen helps, but when is the optimum time to begin therapy."

MVo ( 2 ) decreased by 5.3% (31.9 +/- 2.6 to 30.2 +/- 2.4, p = NS). Therapy with coenzyme Q(10) was associated with a mean 25.4% increase in exercise duration and a 14.3% increase in workload. Percent changes after therapy include the following: exercise LVEF, +24.6%; cardiac output, +19.1%; stroke volume index, +13.2%; heart rate, +6.5%; SBP, -4.3%; SBP / ESVI, +18.6%; end-diastolic volume (EDV) area, -6.0%; MVo (2), -7.0%; and ventricular compliance (%Delta SV / EDV) improved >100%.

United Medical Network genetic disorders
More research with topical estrogen: Research shows that topical estrogen acts like oral HRT in preserving skin thickness and increasing collagen and glycosaminoglycans content of the skin. Dr. J.B. Schmidt and colleagues examined the effects of topical 0.01% estradiol and 0.3% estriol, and after 6 months of treatment, the investigators found improvements in skin elasticity, firmness, and wrinkle depth similar to that seen in studies using oral or transdermal HRT (Int. J. Dermatol. 35[9]:669-74, 1996).

The transdermal estradiol antidepressant study was conducted by Dr. Claudio de Navaes Soares and colleagues at Harvard Medical School, Boston, and the University of Sao Paolo, Brazil. The trial involved 50 perimenopausal women aged 40-55 with an FSH level greater than 25 IU/L and irregular menstrual periods.

United Medical Network testosterone-replacement therapy
United Medical Network therapy => Targeted antioxidant vitamin intake should be included in CVD risk assessment and primary preventive counseling efforts. The purpose of this study was to assess the relation between maternal multivitamin use and risk for cardiac defects in the offspring, using a population-based approach. The Atlanta Birth Defects Case-Control study is a population-based case-control study of infants born between 1968 and 1980 to mothers residing in metropolitan Atlanta, Georgia.

"It is noteworthy that 70 percent of the women in the WHI were in the age groups that would be expected to experience deleterious effects of HRT, while only 10 percent were in the age groups that are likely benefited by HRT," they wrote.ALBUQUERQUE � Transdermal estradiol appears to be an effective antidepressant in perimenopausal women with various forms of depression, Dr. Paula Hensley said at a psychiatric symposium sponsored by the University of New Mexico.

United Medical Network pituitary imaging
Prostatic hypertrophy. Testosterone replacement increases the size of the gland to normal, and presumably the risk of benign hyperplasia along with it. Dr. Synder participated in a multicenter study of 108 hypogonadal men given transdermal testosterone or placebo. �Prostate events� occurred in 16 of 54 testosterone patients and in 11 of 54 placebo patients.

On the one hand, unnecessary biopsies can lead to unnecessary surgery, aimed at eradicating cancers that might have remained inactive. On the other hand, biopsies can easily miss cancers that, under a regimen of testosterone replacement, become more aggressive than they otherwise would be. Not surprisingly, Dr. Shames says that the F.D.A. has "issues of concern over the safety" of prescribing testosterone-replacement therapy for men whose hormone levels fall as part of normal aging.( United Medical Network pituitary imaging)

United Medical Network long-term safety
Doctors are told to "screen for symptoms of low testosterone" and "restore normal testosterone levels." These ads were paid for by Unimed, a division of the Belgian conglomerate Solvay. Unimed makes AndroGel, a drug that was approved by the F.D.A. two years ago, and is the fastest-growing form of testosterone-replacement therapy for men. Pills, introduced in the sixties, often caused liver damage.

The trouble is that there aren't very many of these people�they number only in the tens of thousands. But there are some thirty-five million men in the United States over the age of fifty, and, if the andropause movement takes off, annual revenues for the producers of testosterone-replacement drugs could reach billions of dollars. Estrogen-replacement therapy in menopausal women�a comparable market�has generated more than two billion dollars a year in revenue, largely for Wyeth, the maker of Premarin, the most popular estrogen-replacement drug.

United Medical Network dynamic testing
United Medical Network dynamic testing => In a recent review of Dr. Soares' trial, Dr. Holly L. Thacker of the Cleveland Clinic Foundation hailed it as �a landmark study� (ACP J. Club 136[1]:26, 2002). �We are moving beyond viewing estrogen as only a reproductive hormone to viewing it as a neural hormonal agent with effects on mood and cognition,� Dr. Thacker said.

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United Medical Network laboratory findings

United Medical Network hormone replacement

United Medical Network thorough evaluation

United Medical Network Endocrinology

United Medical Network recent studies

United Medical Network the risks of cancer

United Medical Network conducting clinical trials

United Medical Network cardiovascular disease

United Medical Network research

United Medical Network - AndroGel

United Medical Network perform a full evaluation

United Medical Network genetic studies

United Medical Network physical assessment

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United Medical Network therapy
 
United Medical Network
04.19.08 (4:27 am)   [edit]

UNITED MEDICAL NETWORK

 

 

Ann Rickard, C.N.C. Kapoho, Hawaii Dear Mr. Langner, I first became acquainted with the work of Drs. Greg and Maile Pouls in 1992. My then next door neighbor related to me how she had been incapacitated for 4 years with Chronic Fatigue Syndrome and despite years of trying numerous other therapies, only recovered after following the health protocol of her nutritionist, Dr. Maile Pouls. Being a practicing nutritionist myself, I was interested and intrigued---CFS is a challenging and difficult disease to cure. I wrote to them, introduced myself, purchased their 1st book and began implementing her recommendations for various health problems and got very good results, most impressively with my HIV positive and other immunosuppressed clients.To this date, over a decade later, they are all still healthy and thriving and continue taking their supplements. Over the years, other research and books written by the Pouls have followed, allowing me to continue to refine and update my protocols. When they started personally formulating a line of nutritional supplements I decided to carry them and dropped others, knowing from experience that I could trust their knowledge & integrity and have confidence in their effectiveness. Much of what passes for nutritional advice is just guess work, but utilizing an easy diagnostic tool such as the urine test, allows one to accurately assess exactly what is going on with the biochemistry of the body and target directly the various deficiencies or excesses that are revealed, with the specific recommended supplements to correct them. This eliminates much of the guess work and gets positive results quickly. My family and I have also taken a number of the Pouls nutritional products for years, on a near daily basis, based on the results of our urine tests (we retest periodically to see what's changed) and are grateful for our unusually good health, youthful good looks, and vitality. Sincerely, Ann Rickard

 

 

OVERVIEW

 

In June 2000, the human genome project was completed. This event marked the greatest revolution in the history of medicine.


 

UNITED MEDICAL NETWORK Transdermal Estradiol May Be an Effective Antidepressant in Perimenopausal Women


UNITED MEDICAL NETWORK NUTRITIONAL ARTICLES

 

Medicine had gone from its emphasis on pathology treatment of existing illness and disease to preventive medicine; determining a person's likelihood of contracting an illness or a disease, years before they occur.This is accomplished through the testing of DNA, RNA, urine, saliva, hair, etc.

UNITED MEDICAL NETWORK AMA’s Position on Nutritional Supplements


UNITED MEDICAL NETWORK Cardiovascular Nutritional Research


UNITED MEDICAL NETWORK Cancer Nutritional Research


UNITED MEDICAL NETWORK Anti-Aging Nutritional Research


UNITED MEDICAL NETWORK Hypertension Nutritional Research

Science has not yet progressed to a point where we can test for every disease or illness, however, urine analysis can now determine what nutritional deficiencies exist. For the first time in history, vitamins and nutraceuticals can now be customized for the individual.

 

Optimal health requires the intake of proper foods to insure the body receives its necessary nutritional needs. Our fast paced life finds us consuming fast foods which do not provide for our proper nutritional needs. Even if we eat what we consider all the appropriate foods, we cannot be certain if it is properly processed, absorbed and digested.

 

UNITED MEDICAL NETWORK Neurodegenerative Disease Nutritional Research


UNITED MEDICAL NETWORK Diabetes Nutritional Research


UNITED MEDICAL NETWORK Arthritis Fracture Nutritional Research


UNITED MEDICAL NETWORK Eyes Vision Nutritional Research

 

Each of us is unique. We all have our own specific biochemical makeup. Dr. Roger Williams has emphasized this concept in his book "Biochemical Individuality". He referred to our individual biochemistry as the genotrophic concept and indicates the necessity of testing to determine our individual biochemistry. Is it not incomprehensible that we diagnose our automobiles regularly, but not our bodies. The car we replace every few years, whereas our bodies are to last for a life time.

 

 


 
 

UNITED MEDICAL NETWORK Learning/Behavioral Disorder Nutritional Research


 



Andropause - Male Menopause
HORMONES FOR MEN
By THE NEW YORKER : JEROME GROOPMAN
Nov 30, 2002, 11:32am

 

UNITED MEDICAL NETWORK Asthma Nutritional Research

 

It goes by many names. "Male menopause" is perhaps the most popular, but "andropause" is the term that many doctors favor, and PADAM ("partial androgen deficiency in aging men") has its partisans, too. The condition may afflict millions of Americans, and, if they do not yet recognize the symptoms, a public-awareness campaign has been launched to help them. A two-page ad that ran in Time not long ago showed a car's gas gauge pointing to Empty and beside it the words "Fatigued? Depressed mood? Low sex drive? Could be your testosterone is running on empty." The ad explains that "as some men grow older, their testosterone levels decline," and that such men should consult their doctors about testosterone therapy. At the bottom of the page, the gas gauge points to Full.

 


UNITED MEDICAL NETWORK Insomnia Nutritional Research


 

 

Physicians have been targeted with similar ads. One that appeared in a recent issue of a primary-care journal calls on them to "identify the men in your practice with low testosterone who may benefit from clinical performance in a packet." The photographs are eye-catching: there's a well-built fellow in his middle years beside the words "improved sexual function"; a smiling man in shorts and a T-shirt who is standing next to a mountain bike ("improved mood"); a policeman directing traffic ("increased bone mineral density"). Doctors are told to "screen for symptoms of low testosterone" and "restore normal testosterone levels."

 

UNITED MEDICAL NETWORK Acid Alkaline Foods

 

These ads were paid for by Unimed, a division of the Belgian conglomerate Solvay. Unimed makes AndroGel, a drug that was approved by the F.D.A. two years ago, and is the fastest-growing form of testosterone-replacement therapy for men. Pills, introduced in the sixties, often caused liver damage. Intramuscular injections, particularly favored by bodybuilders and competitive athletes, produce a sharp spike of the hormone, and then a fall, and these fluctuations are often accompanied by swings in mood, libido, and energy. In the late eighties, a transdermal patch was developed, and its use is still widespread. The patch provides safer and steadier dosing, but often causes skin irritation, and sometimes falls off during exercise. AndroGel, by contrast, delivers testosterone in a colorless, drying gel that is simply rubbed on an area of the body—usually the shoulders—once a day. It has thus made testosterone available in a form that almost any man can use conveniently.

 

UNITED MEDICAL NETWORK Antioxidant Nutrients

 

If hormone-replacement therapy for andropause becomes as common as such therapies have been for menopause—and this seems to be the ambition of some drug companies—the consequences, both medical and financial, could be dramatic. Given the popular desire to reverse human aging with a simple nostrum and the growing intimacy between commercial and clinical concerns, the trend may prove to be irresistible. The pharmaceutical industry is, of course, in the business of inventing treatments. Some people wonder whether it may help invent diseases, too.

 

UNITED MEDICAL NETWORK Nutritional Research Various Health Conditions


 
 

 

To be treated for andropause, you first need physicians who can confidently make the diagnosis. One of them is Dr. Abraham Morgentaler, the director of Men's Health Boston. He is forty-six years old, with thick black hair and deep-set eyes. Trained as a urologist, he specializes in male sexual dysfunction and infertility. He views testosterone deficiency in older men as a silent epidemic, and worries that, of the perhaps five million American men who suffer from it, ninety-five per cent go undiagnosed. Replacing missing testosterone, he believes, will help restore youthful muscle tone, bone strength, potency, and general vigor. He recently put an ad in the Boston Globe urging men who were experiencing "low sex drive" or "low energy" to have their testosterone level tested at his clinic. The costs of both the ad and the tests were underwritten by a Unimed educational grant.

 

UNITED MEDICAL NETWORK How Does Poor Digestion Lead to Disease In The Body?

 

Men's Health Boston is in a modern brick-and-glass office building at a busy intersection in Brookline. It has a well-appointed waiting room with soft lighting and upholstered chairs; photographs of famous local athletes adorn the walls. The men who came to see Morgentaler on a recent afternoon had all been given a questionnaire provided by Unimed:

 

1. Do you have a decrease in libido (sex drive)?
2. Do you have a lack of energy?
3. Do you have a decrease in strength and/or endurance?
4. Have you lost height?
5. Have you noticed a decreased "enjoyment of life"?
6. Are you sad and/or grumpy?
7. Are your erections less strong?
8. Have you noticed a recent deterioration in your ability to play sports?
9. Are you falling asleep after dinner?
10. Has there been a recent deterioration in your work performance?

 

UNITED MEDICAL NETWORK Vitamin D Deficiency Nutritional Research

 


Among the patients was a real-estate broker in his late fifties. He had answered "Yes" to questions 1, 2, 3, 5, 7, and 10. "I'm just exhausted by the end of the afternoon," he said, after Morgentaler gave him a physical. "And my brain often feels foggy." He likes to shoot pool, and he remarked that his game wasn't what it used to be.

 

"Have you noticed any change in sexual performance?" Dr. Morgentaler asked.

 

UNITED MEDICAL NETWORK Immunity Nutritional Research

 

"Well, I'm not a kid anymore," the patient said, but he had no real complaints.

 

Morgentaler then showed the man the results from his blood assay. His testosterone levels were "somewhat low," Morgentaler said. "Now, if I had a magic wand and I could do anything for you, what would it be?"

 

"Fix the energy thing."

 

UNITED MEDICAL NETWORK Migraine Nutritional Research

 

"I have good news for you," Dr. Morgentaler said. "There is an excellent chance that giving you testosterone will help to restore your energy. And, in terms of being foggy, I can't promise, but I have several men in my practice who are professors. They take testosterone, and they say it makes their brains much sharper."

 

 

UNITED MEDICAL NETWORK CDC: Essential Elements to Prevent Chronic Diseases and Obesity


 

 

Dr. Morgentaler explained that, while testosterone would not cause prostate cancer, if the patient had a hidden tumor the hormone would "act like food, nourishing the cancer." For that reason, his P.S.A. (prostate-specific antigen) level would be checked, and Morgentaler would take six biopsy samples of the prostate gland to make sure that there was no malignancy.

 

"I'll give you a prescription now, and you can get started once we complete these tests," Dr. Morgentaler said. "When I give men back testosterone, some say 'Whoa!' "

 

The patient liked the sound of that. "Maybe I'll be a stallion again," he said.

 

UNITED MEDICAL NETWORK Chronic Fatigue Syndrome Nutritional Research

 

Testosterone, an androgen, is a steroid hormone derived from cholesterol. It is produced primarily by the testes, but the signal to produce it comes from the pituitary gland, in the form of two other hormones, which arrive in pulses at certain times of the day. As men age, the response of the testes becomes more muted; for men over the age of forty, the levels of testosterone in the bloodstream decline, on average, by about 1.2 per cent each year.

 

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Morgentaler's next patient was a construction worker in his forties. The man was on cardiac medication and had an implanted defibrillator, because he was prone to life-threatening arrhythmias, and occasionally he received electric jolts from the device. His wife had died some three years before, but in the previous six months he had been in a stable relationship. He had come to the clinic because he had difficulty reaching orgasm.

 

Morgentaler asked about other symptoms.

 

"I used to be able to play racquetball non-stop, but I'm tired now after four games."

 

Morgentaler nodded. "We caught it just at the right time."

 

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"But my primary-care doctor checked my testosterone and said it was 800, which is normal. He told me he couldn't do anything about my problem."

 

Morgentaler looked at the results of the man's blood assay. Total testosterone was in the normal range, at 509 nanograms per decilitre. But his free testosterone, Morgentaler told him, was another matter. At any moment, about two per cent of circulating testosterone is "free"—un bound to any protein—and thus biologically active. The patient's free testosterone was a little under the lower limit of normal. ("Normal" testosterone levels refer to what's normal for men in their twenties.)

 


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"If I had a magic wand and I could do anything for you, what would it be?" Morgentaler asked.

 

"Get rid of the problem with orgasm."

 

"Well, I believe we have a very good chance of helping you." Morgentaler wrote out a prescription for AndroGel. "We'll check your P.S.A. today, but we don't need to do biopsies of your prostate gland until after the age of fifty. So you can get started right away."

 

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"I can't thank you enough," the patient said.

 

When the F.D.A. decides to permit the sale of a new drug, it specifies a list of "indications"&m dash;particular medical conditions for which the drug has been approved. "The F.D.A. never approved AndroGel for andropause," says Dr. Dan Shames, the director of the Division of Reproductive and Urological Drug Products at the F.D.A. "We're not sure what 'andropause' is. The intention was that AndroGel would be for people with conditions like Klinefelter's and pituitary dysfunction." Klinefelter's syndrome is a congenital disorder in which men have an extra X chromosome and underdeveloped testes. Other suitable candidates for therapy are men whose testes have been scarred by viral inflammation. Still others have had a tumor that damaged the hypothalamus or the pituitary gland, so the brain no longer sends activating signals to the testes. In such men, muscle strength, libido, and bone density are diminished, and testosterone replacement is an effective treatment.

 

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The trouble is that there aren't very many of these people—they number only in the tens of thousands. But there are some thirty-five million men in the United States over the age of fifty, and, if the andropause movement takes off, annual revenues for the producers of testosterone-replacement drugs could reach billions of dollars. Estrogen-replacement therapy in menopausal women—a comparable market—has generated more than two billion dollars a year in revenue, largely for Wyeth, the maker of Premarin, the most popular estrogen-replacement drug.

 

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This is where marketing and medical science may part ways. Pharmaceutical companies often obtain F.D.A. approval of a new product for a niche population with a relatively rare disease, hoping to expand later to a larger and more profitable market. Once a drug is approved for sale, a physician can legally prescribe it for any clinical condition he thinks would benefit from it. The F.D.A. prohibits drug companies from advertising "off label" uses—those other than the approved indications—but they can pursue alternative strategies. They can run ads that "raise awareness" of a condition without mentioning the proprietary therapy by name. And they can align themselves with so-called "opinion leaders," well-known physicians whose views are thought to have influence among their peers, by financing their research, say, or offering them consulting agreements.

 

 


 

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If you're hoping to expand the medical "indications" for a drug regimen, there are few greater boons than the endorsement of a major medical society. Unimed's andropause campaign won a considerable victory when the Endocrine Society—a prestigious organization of hormone specialists—convene d its First Annual Andropause Consensus Conference, in April of 2000, just six weeks before AndroGel came on the market. The conference, which was held in Beverly Hills, set out to define andropause and decide how it should be treated. The chair was Dr. Ronald Swerdloff, an endocrinologist at Harbor-U.C.L.A. Medical Center, and he assembled a panel whose task was to come up with recommendations for clinical practice. These recommendations were distributed at this year's annual meeting of the Endocrine Society, in June, and undoubtedly they will have considerable influence in the medical community.

 

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The panel acknowledged that the benefits of testosterone replacement in aging men hadn't been established, but it nonetheless recommended that all men over the age of fifty be screened for testosterone deficiency. Screening should start with a questionnaire, like the one that Unimed had provided for Morgentaler. Patients who had symptoms, whose morning testosterone levels were under the lower limit of normal, specified as 300, and who had no conditions that would rule out testosterone replacement, like prostate cancer, "would likely benefit from treatment," the panel stated. A table accompanying the recommendations suggested that low testosterone levels would be found in more than ten per cent of men over fifty, and nearly thirty per cent of men over seventy—in perhaps as many as seven million Americans.

 

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There's no doubt that the panel reached its conclusions in good faith; the androgen enthusiasts are nothing if not sincere. But it's also the case that a Unimed/Solvay educational grant was the sole source of funding for the Beverly Hills conference. According to Scott Hunt, the Endocrine Society's executive director, Unimed even suggested some of the panel's members. And, of the thirteen panelists in the final group, at least nine, including Swerdloff and his co-chair, had significant financial ties to the drug company, in the form of research grants, consulting arrangements, or speaking fees. The recommendations made reference to the educational grant but not to the panelists' ties to Unimed.

 

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The bid to medicalize middle age may be well supported by the pharmaceutical industry, but it remains poorly supported by scientific research. Is the decline in testosterone levels really responsible for most of the symptoms of aging in men? What levels of testosterone are, in fact, "normal"? Does andropause even exist? The limits of medical knowledge are starkly evident when you visit a research center like the one run by Dr. William Crowley, the chief of the Reproductive Endocrine Unit at Massachusetts General Hospital, and his associate Dr. Frances Hayes. In a laboratory crowded with centrifuges, chemical hoods, and spectrophotometers, they and their team spend hours double-checking sensitive chemical assays for hormones produced by the hypothalamus and the testes, as well as the pituitary and adrenal glands. In an adjoining clinical-research center, volunteer human subjects are hooked up to I.V.s and insulin clamps.

 

 


 

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Several years ago, Dr. Crowley realized that, in order to study hypogonadal men, he needed a clear definition of normal testosterone levels. So he inserted catheters into the veins of healthy young subjects in their twenties and drew blood samples every ten minutes in the course of twenty-four hours. He still sounds amazed by what he found.

 

"We measured the size of their testes, evaluated body hair, erectile function, sperm count, muscle mass, bone density, pituitary function," Crowley recalls. "These men were completely normal from every parameter. And it was incredible: fifteen per cent had testosterone levels during the day that were well below what is set as the lower limit of normal—more than fifty per cent below the cutoff."

 

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Why do testosterone levels among healthy men vary so much? Hayes speculates that some men may have highly efficient testosterone receptors—cellular traps that grab the free hormone in the blood—so that what appears to be an abnormally low testosterone level is all the hormone they need. But even an individual's testosterone levels can be markedly different at different times. One factor may be stress, which seems to reduce levels of sex steroids. Drug interactions, too, might alter testosterone levels in unpredictable ways. And much of the variation simply eludes explanation. Crowley studied several young men whose initial test results showed testosterone levels ranging from 150 to 200—well below the 300 cutoff—over twenty-four hours. "They had a perfectly normal testosterone profile," Crowley says. "There can be a funny disconnect between one measurement and a later one"—which means that testosterone deficiency may be easily overdiagnosed.

 


 
 

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"This variability in testosterone levels was really a physiological curiosity until AndroGel was approved," Crowley continues. "Now every time the testosterone level is below 300 the question of prescription is raised." As for the often quoted figure of four or five million "andropausal" men—the figure touted in the Unimed ads—Hayes says, "Frankly, I don't know where that number comes from or how real it is."

 

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What makes things more confusing is that the usual commercial tests that physicians use to measure testosterone levels are notoriously unreliable. The andropause movement has made laboratory assays a lucrative business, and all kinds of patented kits have come on the market. But, as Swerdloff's panel discovered, the results tend to be inconsistent. "It's really a big problem," Swerdloff says. "Practicing doctors have a great belief in the numbers, but in the past few years the assays have deteriorated." If you assayed blood samples from normal men with one proprietary test, you might find values between 300 and 900, while another test would give values between 160 and 700. So men whose tests report low total testosterone levels—like the real-estate broker Morgentaler saw—might actually have normal levels. The tests for free testosterone seem to be even less accurate.

 


 

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Not every practitioner finds reason for concern. "The tests aren't as reliable as we want them to be, but it doesn't matter," says Morgentaler, who sometimes even prescribes AndroGel "preventatively" ; for middle-aged men whose testosterone levels are in the lower quarter of the normal range. "It's not credible that we aren't helping these men by giving them testosterone. The truth is, there's a deep emotional issue in some people who oppose hormone-replacement therapy, because it asks the question 'Is there hope of achieving eternal youth?' There are those who don't want to oppose Mother Nature."

 

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And there are those who don't want to wait for scientific validation. Last year, a panel organized by the National Institutes of Health—maybe the closest thing we have to a voice of independent scientific consensus—released a paper concluding that the andropause hypothesis is unproved. The report that Swerdloff's group released at the Endocrine Society meeting in June contains references to sixty-two relevant publications, but omits any reference to the N.I.H. report.

 

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Swerdloff and his colleagues reviewed the half-dozen controlled studies available on giving testosterone to healthy aging men, and were evidently impressed by those which found that it increased lean muscle mass, strength, and bone-mineral density in the spine. Unfortunately, most of these studies were small, involving forty or fifty men. The reported improvements were far from dramatic, and different studies have had contradictory findings. In fact, the largest and longest-term study, of a hundred and eight men over three years, showed no improvements in energy level, sexual performance, or strength.

 

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So there's a lot of uncertainty about the effects of the age-related lowering of testosterone. "There appears to be a threshold level of testosterone below which libido and sexual function are impaired," Hayes says. "Boosting above this threshold doesn't seem to enhance sexual performance." The role that testosterone plays in maintaining strong bones in healthy elderly men is highly controversial, too. Dan Shames, of the F.D.A., says, "Just because you are increasing bone density doesn't mean you prevent fractures." Even in studies that found a positive correlation between testosterone levels and bone strength, the hormone accounted for only about five per cent of age- and weight-adjusted differences. Men with severely low testosterone levels showed improvement in the spine, but no change was observed in the hips—and it is mainly hip fractures that debilitate the elderly.

 


 

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"Each pharmaceutical company wants to get up and say, 'This is the magic bullet for aging,' " Crowley says. "But it's overly simplistic to attribute such a complex process as aging to the change in the level of a single hormone like estrogen or testosterone."

 

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If the benefits of treating "andropause" are in doubt, so, more worrisomely, is the safety. The known side effects of testosterone therapy include gynecomastia (abnormal enlargement of the breasts) and testicular shrinkage (as gonads compensate by making less of the hormone). Testosterone also raises the level of circulating red blood cells; if this level is excessive, the blood becomes viscous, which can lead to congestive heart failure or stroke. And among men who received a 100-milligram daily dose of AndroGel over a year, nearly twenty per cent developed some sort of prostate disorder, such as prostatic hyperplasia.

 

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More troubling is how testosterone accelerates the growth of prostate cancer. The majority of men over the age of sixty-five have clusters of cancer cells in their prostate glands which are both "occult" and "indolent": they're hard to find, and they grow so slowly that they're unlikely to create any trouble by themselves. Here the perils are twofold. On the one hand, unnecessary biopsies can lead to unnecessary surgery, aimed at eradicating cancers that might have remained inactive. On the other hand, biopsies can easily miss cancers that, under a regimen of testosterone replacement, become more aggressive than they otherwise would be. Not surprisingly, Dr. Shames says that the F.D.A. has "issues of concern over the safety" of prescribing testosterone-replacement therapy for men whose hormone levels fall as part of normal aging.

 

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Even Dr. Swerdloff acknowledges these uncertainties. "I agree that currently there are insufficient data on the long-term effects of testosterone-replacement therapy on the heart or on the development of prostate cancer, but the benefits seem considerable," he says. The andropause panel he chaired was aware that the N.I.H. is thinking of doing rigorous, placebo-controlled clinical studies that would span six or more years. "If the answer is yes, that replacement therapy causes heart damage or sparks emergence of prostate cancer, then you will know in six years or so," he says. "But older people in this age group won't wait six to ten years to have solid answers. Clinical practice will move at one rate, and the data will trail."

 


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This is precisely what concerns many scientists. "Pharmaceutical marketing is the driver, not physiology," Crowley complains of the andropause movement. "Maybe we're meant to lower our testosterone levels—maybe it's healthy and protects us from developing prostate cancer. Of course, that's pure conjecture, but it's something that needs to be carefully addressed." When you elevate the testosterone levels in a seventy-year-old man to those he had at twenty, are you really returning him to "normal"? Crowley says, "I worry that this widespread prescription of testosterone for aging men is going to precipitate an epidemic of prostate cancer."

 

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Of course, it will not be the first time that hormones have been heavily marketed—in advance of the scientific evidence—as a way to recapture youth. In the late sixties, estrogens were touted to women as their chance to be "feminine forever." And initial data from small or uncontrolled studies were encouraging. Estrogen therapy was believed to help sustain sexual health, and mood, while protecting bones from osteoporosis and the heart from arteriosclerosis. The media were flooded with ads for estrogen therapy, and publishers churned out books celebrating its benefits. Nearly forty per cent of postmenopausal women have been prescribed hormone-replacement therapy.

 


 

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As we now know, conventional H.R.T. not only increases the risk of breast cancer but can lead to heart attacks, strokes, and blood clots. A nationwide trial of sixteen thousand women—part of the Women's Health Initiative—was recently terminated when the therapy was linked to a twenty-six per cent increase in invasive breast cancer and a significant increase in cardiovascular disease as well. A hormone regimen meant to reverse the effects of aging has proved to accelerate serious disease. As Dr. Swerdloff put it, the data trailed clinical practice.

 


 

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Meanwhile, testosterone-replacement therapy is becoming increasingly popular. Last year alone, sales of transdermal testosterone doubled. An estimated quarter of a million American men are now taking the hormone. If the current rates continue, that number will rise to nearly a million within two years—and, with the newly conferred imprimatur of the Endocrine Society, the rates could surge.

 

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To date, the best published safety data we have on AndroGel as a treatment for andropause comes from a study of sixty-seven men who took the drug for an average of twenty-nine months. An accurate assessment of its effects on the heart, blood vessels, and prostate would require many years of observing many thousands of men—a male counterpart to the Women's Health Initiative. Until then, the attempt to reverse the gradual decline in testosterone levels in aging men can't be considered the treatment of a disorder: it amounts to a vast, uncontrolled experiment, whose consequences remain uncertain. As Hayes says, "It would be a shame to make the same mistakes again."

 

 

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