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Glossary: Testosterone
 


Definition
The principal male sex hormone that induces and maintains the changes that take place in males at puberty. In men, the testicles continue to produce testosterone throughout life, though there is some decline with age. A naturally occurring androgenic hormone.

Topics Related To Testosterone
Adult AcneRecommendation against Testosterone
"Adverse effects of testosterone supplementation include minor side-effects such as acne and oily skin..."

AIDS

Our Question about having constant fatigue
"...The fatigue may be due to anemia, depression, the HIV virus, secondary infections, hormone deficiency (testosterone, adrenal exhaustion), malnutrition, poor sleep quality or quantity, inactivity, or drug side-effects..."

Relationship to Low Male Testosterone Level
"An estimated 45% of men with untreated AIDS and 25% of asymptomatic, untreated HIV-infected men experience low testosterone levels..."

Recommendation Test for Hormones
"Several studies have shown that testosterone levels are generally lower and that testosterone administration alleviates fatigue and depression in men with HIV/AIDS..."

Alzheimer's Disease

Recommendation Testosterone
"The popular image of this sex hormone is primarily as a muscle-building machismo-inducing substance that "pumps men up", yet clinical research is uncovering important roles for testosterone in many other diverse areas of health and physiology, including the brain..."

Recommendation Test for Hormones
"Make sure estrogen and testosterone levels are normal..."

Andropause/Male Menopause

The Condition
"...Testosterone (from the testes), human growth hormone (from the pituitary), and DHEA and androstenedione (from the adrenal gland) levels all begin to drop..."

Our Question about fatigue induced by light exertion
"Lethargy and lack of vitality are early signs that your anti-aging hormones (such as testosterone) are diminishing..."

Recommendation Acetyl-L-Carnitine
"The April 2004 issue of the journal Urology published the findings of Italian researchers that the amino acid carnitine was more active than testosterone in improving symptoms of aging in men, such as sexual dysfunction and depression, associated with the decline of androgenic hormones..."

Recommendation Book Reading
"For more insight, The Testosterone Syndrome, by Eugene Shippen, M..."

Recommendation Testosterone
"Testosterone levels decline gradually with age in men..."

Recommendation DIM (di-indolmethane)/I3C (Indole-3-Carbinol)
"...This increase in PSA is as great as that seen with testosterone..."

Recommendation Tribulus
"...It has also been reported to increase the body's natural testosterone and lutenizing hormone (LH) levels..."

Atherosclerosis

Relationship to Low Male Testosterone Level
"Researchers at Columbia University Medical School found that serum testosterone levels were about 90ng/dl lower in patients who had suffered myocardial infarctions (MI) than in those who had not..."

Benign Prostatic Hypertrophy

Related Topic
"...BPH is common in men over fifty and can be the result either of diminished production of complete testosterone or poor pelvic circulation..."

Bleeding Tendency

The Condition
"...Examples of these include: tocotrienols, fish oils, curcumin, gingko biloba, grapes and grape juice, testosterone, Coumadin, vitamin E over 300IU/day, vitamin B6 over 150-200mg per day, too many essentail fatty acids, garlic, taurine and gugulipids..."

Breast Cancer

Recommendation Test for Hormones
"Testing for estrogen, progesterone and testosterone may help to properly evaluate breast and ovarian cancer risk..."

Concern Over Wrinkled Skin

The Condition
"...Although the hormones estrogen and testosterone slow skin collagen loss, a number of beauty treatments, including vitamin C and ceramide creams, can do the job without the side-effects..."

Coronary Disease / Heart Attack

Relationship to Low Male Testosterone Level
"Researchers at Columbia University Medical School studied 55 men undergoing X-ray exams of their arteries and found that those with a lower testosterone level had higher degrees of heart disease (blockage of the coronary arteries)..."

Depression

Relationship to Low Male Testosterone Level
"Depression can be caused by low levels of certain hormones, including testosterone..."

Recommendation DHEA
"...In addition, DHEA is the precursor for estrogen and testosterone, which also enhance mood..."

DHEA

As A Treatment
"...Function; Reasons For Use The body converts DHEA into testosterone or estrogen..."

Related Topic
"...DHEA may be transformed into testosterone, estrogen or other steroids..."

DHEA Elevated

The Condition
"Excess DHEA can cause excess levels of estrogen and testosterone, as well as creating a dependence..."

Dihydrotestosterone

Related Topic
"A highly active form of testosterone, which influences many aspects of manly behavior, from sex drive to aggression..."

Enlarged Prostate

The Condition
"...Throughout their lives, men produce both testosterone (an important male hormone) and small amounts of estrogen - a female hormone..."

Recommendation Zinc
"...Zinc has been found to inhibit the activity of 5-alpha reductase, the enzyme that irreversibly converts testosterone to dihydrotestosterone, a form which binds more avidly to the prostrate and stimulates greater growth..."

Recommendation Natural Progesterone
"...Progesterone prevents the body from converting testosterone to di-hydro testosterone..."

Recommendation Saw Palmetto
"...This enzyme converts the hormone testosterone to DHT..."

Erectile Dysfunction (ED, Impotence)

The Condition
"...Testosterone, the principal androgen, regulates sexual function in men and is a sexual libido booster in women as well..."

Recommendation Test for Hormones
"Testosterone is the major hormone produced by men, but does not directly affect a man's erectile ability as much as it does libido or sexual desire..."

Estrogen Replacement

As A Treatment
"...Testosterone, which benefits libido and bone health, may also be prescribed..."

Fatty Liver

The Condition
"...One form of fat that the liver produces is called triglycerides, which are important for new cell production for making hormones such as estrogen, testosterone and the adrenal hormones..."

Female Hair Loss

The Condition
"...Most modern medical research leans toward the position that a male hormone called dehydrotestosterone (DHT), which is converted from testosterone, binds to sites on hair follicles and is a primary instigator of hair loss..."

Fluoride Toxicity

The Condition
"...Dental Update 1990; 17: 161-3] Major Related Diagnoses: Alzheimer's disease/demyelinizing diseases, anemia, arthritis, breast cancer, carpal tunnel syndrome, decrease in testosterone/spermatogenesis, altered vas deferens/testicular growth, decreased dental arch, dental crowding, delayed tooth eruption, diabetes insipidus, diarrhea, Down syndrome, early onset of..."

Gamma Oryzanol

As A Treatment
"...Some evidence suggests that gamma oryzanol increases testosterone levels, stimulates the release of endorphins (pain-relieving substances made in the body), and promotes the growth of lean muscle tissue..."

Gonads

Related Topic
"...These include estrogen, progesterone, and testosterone..."

High Female Testosterone Level

The Condition
"Testosterone is an androgen steroid hormone that is usually linked to male sexuality..."

Our Question about hard-driving personality
"Excess secretion of testosterone (a hormone associated with male aggressive behavior) is reported in Type A personality patients..."

Relationship to Breast Cancer
"One study reported that women with the highest levels of testosterone were twice as likely to develop breast cancer as those with the lowest levels..."

Relationship to Ovarian Cancer
"When testosterone levels are very elevated, ovarian cancer can be a concern..."

Relationship to Polycystic Ovary Syndrome (PCOS)
"Increased testosterone levels in women are most often caused by polycystic ovaries..."

Recommendation Estrogen Replacement
"Low estrogens allow the circulating androgens and testosterone to be more freely available and thus stimulate cells more..."

High Male Testosterone Level

The Condition
"Higher levels of testosterone can have significant health benefits for some men, such as being less vulnerable to high blood pressure, heart attacks, frequent colds and obesity..."

Our Question about hard-driving personality
"Excess secretion of testosterone (a hormone associated with male aggressive behavior) is reported in Type A personality patients..."

High Sex Hormone Binding Globulin

Relationship to Breast Cancer
"...The same study reported that women with the highest levels of estrogen and/or testosterone were twice as likely to develop breast cancer as those with the lowest levels..."

Hirsutism

The Condition
"...DHEA or testosterone), most have normal levels..."

Hormone-altering Drugs

Related Topic
"...Examples include Metformin, which affects insulin levels; Tamoxifen and Arimidex which affect estrogen levels; LHRH agonists which affect testosterone levels; and propylthiouracil (PTU) and methimazole(MTZ) which affect thyroid levels..."

Hormones

Related Topic
"...Examples include adrenal hormones such as corticosteroids and aldosterone; glucagon, growth hormone, insulin, testosterone, estrogens, progestins, progesterone, DHEA, melatonin, and thyroid hormones such as thyroxine and calcitonin..."

Hypogonadism, Male

The Condition
"Male hypogonadism with a deficiency of testosterone is a relatively common disorder in clinical practice and has significant effects on the fertility, sexual function, and general health of affected men..."

Hypopituitarism

The Condition
"...On testing, blood levels of testosterone are low and should be replaced..."

Klinefelter's Syndrome

Related Topic
"...Gynecomastia and various degrees of testosterone deficiency are usually noted..."

Low Female Testosterone Level

The Condition
"Testosterone was once considered an exclusively male hormone..."

Low HGH (Human Growth Hormone)

The Condition
"...Treatment & Prevention Replacement of the hormones which decline with age, such as growth hormone, estrogen and testosterone, is an important part of any antiaging program..."

Low Male Testosterone Level

The Condition
"...One group was given testosterone and prescribed a strength training program, one group was given testosterone and told not to exercise and one group was just given a training program without testosterone..."

Relationship to Zinc Requirement
"(This relationship of testosterone levels to zinc status does not apply to women..."

Relationship to Progesterone Low or Estrogen Dominance
"Testosterone is converted into estrogen naturally..."

Recommendation Tribulus
"In patients with below-normal serum testosterone levels, physiological levels were reached after treatment with Tribulus..."

Recommendation Testosterone
"The original and primary use of testosterone is for the treatment of males who have too little or no natural endogenous testosterone production: males with hypogonadism..."

Recommendation Testosterone Levels, Test
"Unfortunately, there is no general agreement on the threshold of testosterone value below which a man would be considered hypogonadal..."

Recommendation DIM (di-indolmethane)/I3C (Indole-3-Carbinol)
"Clinical studies using testosterone injections, creams, or patches have often failed to provide a long-lasting, libido-enhancing effect in aging men..."

Low Melatonin Level

The Condition
"Melatonin is a hormone in the same category as estrogen and testosterone and should not automatically be used as liberally as its current availability suggests..."

Low Sex Drive

Relationship to Low DHEA Level
"DHEA is the precursor to testosterone..."

Recommendation Testosterone
"Low testosterone levels are frequently the reason for diminished interest in sex, both in men and in women..."

Recommendation Test for Hormones
"...This is often due to declining hormone levels, especially testosterone..."

Lupus, SLE (Systemic Lupus Erythromatosis)

Recommendation DIM (di-indolmethane)/I3C (Indole-3-Carbinol)
"..." These patients are relatively testosterone deficient..."

Luteinizing Hormone

Related Topic
"Anterior pituitary hormone stimulating estrogen production by the ovary; promoting formation of progesterone by the corpus luteum in women and stimulating testosterone release in men..."

Maca

As A Treatment
"...The supposed mechanism of action is by normalizing steroid hormones such as testosterone, progesterone and estrogen..."

Male Hair Loss

The Condition
"...Most modern medical research leans toward the position that a male hormone called dehydrotestosterone (DHT), which is converted from testosterone, binds to sites on hair follicles and is a primary instigator of hair loss..."

Recommendation Pumpkin Seeds
"Pumpkin seed oil may affect the activity of testosterone in the body in a similar fashion to saw palmetto..."

Recommendation Radix Urticae
"It is possible that radix urticae influences the activity of sex hormone binding globulin and its binding to testosterone [Blutplasmas 1983]..."

Recommendation Saw Palmetto
"This extract has been found to counteract the conversion of testosterone to DHT by inhibiting DHT binding to cellular and nuclear receptor sites, thereby increasing DHT breakdown..."

Male Infertility (Low Sperm Count)

The Condition
"...Marginal zinc status is associated with poor sperm count and motility (especially if testosterone levels are low)..."

Relationship to Zinc Requirement
"Zinc increases sperm count and motility as well as raising testosterone levels when low..."

Recommendation against Testosterone
"Testosterone causes suppression of spermatogenesis and can lead to infertility..."

Recommendation Test Zinc Levels
"...Marginal zinc status is associated with poor sperm count and motility (especially if testosterone levels are low)..."

Menopausal Issues

Relationship to Syndrome X
"...With reduced SHBG levels, greater amounts of bioactive "male" sex hormones - androgens such as testosterone and DHEA - begin to circulate inside a woman's body..."

Obstructive Sleep Apnea (OSA)

Recommendation against Testosterone
"More serious complications arising from testosterone supplementation include exacerbation of sleep apnea..."

Osteoporosis - Osteopenia

The Condition
"...Testosterone..."

Relationship to Low Male Testosterone Level
"Some 30% of men with spinal osteoporosis have long-standing testosterone deficiency, and one-third of men with testosterone deficiency have subnormal bone density that puts them at risk of fractures..."

Platelet Aggregation (Clotting)

The Condition
"Treatment & Prevention Substances that reduce platelet aggregation include tocotrienols, shark liver oil, curcumin, gingko biloba, grape seed extract, grapes and grape juice, testosterone, Coumadin, fish oils, vitamin E at 300 IU or above, B6 at 150-200mg, EFAs, garlic, taurine and gugulipids..."

Polycystic Ovary Syndrome (PCOS)

The Condition
"...It also results in an increased production of the male hormone testosterone by the ovaries..."

Our Question about age at puberty onset (female)
"...When girls with premature pubarche have been followed throughout the rest of puberty they have been found to develop excess testosterone production and irregular periods consistent with PCOS..."

Recommendation Weight Loss
"Weight reduction can not only reverse testosterone and luteinizing hormone abnormalities and infertility seen with PCOS, but also improve glucose, insulin and lipid profiles..."

Recommendation Test for Hormones
"...It is for this reason that a measurement of total testosterone and DHEA is recommended..."

Poor Bone Health

The Condition
"...Modifiable factors that increase risk for bone loss ... Low levels of estrogen in women or low levels of testosterone in men..."

Premature Hair Graying

Relationship to Premature/Signs of Aging
"...Also, premature hair graying is less frequent in ethnic groups, notably blacks, who also tend to have higher testosterone levels in both sexes..."

Premature/Signs of Aging

Recommendation Test for Hormones
"...The hormones most likely to be involved include estrogens, progesterone, testosterone and DHEA..."

Problems Caused By Being Overweight

Relationship to Low Sex Hormone Binding Globulin
"Obesity tends to increase the levels of sex hormone (estrogen, testosterone) activity, and decrease levels of sex hormone binding globulin..."

Recommendation DHEA
"...This two-month study also demonstrated that 7-Keto does not significantly affect blood sugar, testosterone, estradiol, liver or kidney function..."

Prostate Cancer

The Condition
"...Hormone therapy is based on reducing the level of testosterone, which stimulates cancer growth..."

Recommendation LDN - Low Dose Naltrexone
"...This includes patients who have received Lupron, Casodex, Eulexin, DES, or other drugs designed to reduce testosterone..."

Recommendation against Testosterone
"Testosterone supplementation cauases the acceleration of pre-existing prostate cancer growth..."

Sarsaparilla

As A Treatment
"...Testosterone is not found in sarsaparilla, despite the many claims of its presence..."

SHBG

Related Topic
"A glycoprotein, synthesized in the liver, which binds testosterone and 5 alpha-dihydrotestosterone strongly, and estradiol somewhat less strongly..."

Test for Hormones

As A Treatment
"Hormone testing for sex hormones such as estrogens, progesterone, testosterone, DHEA, LH, FSH, prolactin and binding globulins (SHBG) is an important step in determining hormone abnormalities that may be causing or contributing to symptoms..."

Testicles

Related Topic
"Egg-shaped sex glands in the scrotum that secrete male hormones such as testosterone, and produce sperm..."

Testosterone

As A Treatment
"Testosterone is a steroid hormone from the androgen group..."

Testosterone Levels, Test

As A Treatment
"Testosterone levels can only be confirmed through lab testing..."

Tribulus

As A Treatment
"...In 1981, Tribestan was incorporated into mainstream medical treatment in much of Eastern Europe for improvement of libido and erectile function, increasing serum concentration of testosterone and luteinizing hormone (LH), and stimulation of spermatogenesis with increased concentration of sperm and an increase in sperm motility and viability..."

Vitamin B3 Requirement

The Condition
"...Vitamin B3 is necessary for the manufacture of the hormones cortisone, thyroxine, insulin, and the sex hormones estrogen, progesterone, and testosterone..."

Weight Training

As A Treatment
"...The hormone testosterone plays a major role in muscular development..."

Yeast / Candida Infection

Recommendation GLA (Gamma Linolenic Acid)
"GLA can help reduce candida-induced hair loss by suppressing conversion of testosterone to its derivative DHT, in the hair follicles..."





Last updated: Feb 28, 2008


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