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Testosterone is a steroid hormone from the androgen group. In mammals, testosterone is primarily secreted in the testes of males and the ovaries of females, although small amounts are also secreted by the adrenal glands
Research suggests effective role for natural steroid hormones in treating breast cancer

Research suggests effective role for natural steroid hormones in treating breast cancer

A new study supports a growing body of research suggesting a safe and effective role for natural steroid hormones in treating postmenopausal breast cancer, with fewer detrimental side effects and improved health profile than with standard anti-hormone therapies. [More]
Research roundup: ACA lawsuit primer; ACA strategies in 4 states; competitive plans for those eligible for Medicare and Medicaid

Research roundup: ACA lawsuit primer; ACA strategies in 4 states; competitive plans for those eligible for Medicare and Medicaid

In 2012, the U.S. Supreme Court upheld the constitutionality of the ACA, but that did not end attacks against the law. Since the decision in National Federation of Independent Business v. Sebelius, objecting parties have filed more than 100 cases in federal courts nationwide. [More]
Testosterone therapy does not increase men's risk for heart attack, shows UTMB study

Testosterone therapy does not increase men's risk for heart attack, shows UTMB study

Testosterone prescriptions for older men in the United States have increased more than three-fold over the past decade. Recent studies linking testosterone use with increased risk of heart attack and stroke have caused widespread concern among patients and their families. [More]
Auxilium Pharmaceuticals plans to merge with QLT

Auxilium Pharmaceuticals plans to merge with QLT

Auxilium Pharmaceuticals, Inc., a fully integrated specialty biopharmaceutical company, and QLT Inc., a Canadian-based biotechnology company focused on developing innovative orphan ophthalmology products, today announced that they have entered into a definitive agreement under which Auxilium plans to merge with QLT. [More]
Animal study: Common BPA substitute alters brain development, causes hyperactive behavior

Animal study: Common BPA substitute alters brain development, causes hyperactive behavior

A chemical found in many "BPA free" consumer products, known as bisphenol S (BPS), is just as potent as bisphenol A (BPA) in altering brain development and causing hyperactive behavior, an animal study finds. [More]
Testosterone therapy may improve aerobic capacity in aging men

Testosterone therapy may improve aerobic capacity in aging men

Testosterone replacement therapy may help older men who have limited mobility and low testosterone improve their aerobic capacity and lessen its decline with age, new research finds. [More]
Soy protein supplements do not reduce testosterone levels in men with Type 2 diabetes

Soy protein supplements do not reduce testosterone levels in men with Type 2 diabetes

Soy protein supplements, which contain natural estrogens, do not reduce testosterone levels in men with Type 2 diabetes who already have borderline-low testosterone, according to a new study. [More]
Low levels of testosterone decline physical function in elderly men

Low levels of testosterone decline physical function in elderly men

Elderly men with low levels of testosterone or other sex hormones have twice the likelihood of having declining physical function over two years' time compared with their peers who have the highest hormone levels, a new study from Australia finds. [More]
New approach promises better drugs for diabetes and osteoporosis

New approach promises better drugs for diabetes and osteoporosis

By swapping replacement parts into the backbone of a synthetic hormone, UW-Madison graduate student Ross Cheloha and his mentor, Sam Gellman, along with collaborators at Harvard Medical School, have built a version of a parathyroid hormone that resists degradation in laboratory mice. [More]
Researchers examine role of female sex hormones in male obesity

Researchers examine role of female sex hormones in male obesity

An imbalance of female sex hormones among men in Western nations may be contributing to high levels of male obesity, according to new research from the University of Adelaide. [More]
Auxilium and Prasco introduce authorized generic version of Testim

Auxilium and Prasco introduce authorized generic version of Testim

Auxilium Pharmaceuticals, Inc., a fully integrated specialty biopharmaceutical company, today announced that it has partnered with Prasco, LLC ("Prasco") to introduce an Authorized Generic version of Testim® (testosterone gel). [More]
Researchers examine effects of testosterone on women after menopause

Researchers examine effects of testosterone on women after menopause

Testosterone supplementation for women is a hot topic. A new pharmacokinetics study of a brand of testosterone cream for women approved in Western Australia has been published online in Menopause, the journal of The North American Menopause Society (NAMS). [More]
Exposure to elevated levels of steroid hormones in the womb linked to later development of autism

Exposure to elevated levels of steroid hormones in the womb linked to later development of autism

Scientists from the University of Cambridge and the Statens Serum Institute in Copenhagen, Denmark have discovered that children who later develop autism are exposed to elevated levels of steroid hormones (for example testosterone, progesterone and cortisol) in the womb. The finding may help explain why autism is more common in males than females, but should not be used to screen for the condition. [More]
Scientists define genetic cause for two types of birth defects in newborn boys

Scientists define genetic cause for two types of birth defects in newborn boys

Baylor College of Medicine scientists defined a previously unrecognized genetic cause for two types of birth defects found in newborn boys, described in a report published today in the journal Nature Medicine. [More]
Men who feel stressed have fewer, slower sperm

Men who feel stressed have fewer, slower sperm

Psychological stress is harmful to sperm and semen quality, affecting its concentration, appearance, and ability to fertilize an egg, according to a study led by researchers Columbia University's Mailman School of Public Health and Rutgers School of Public Health. [More]
FDA approves Trimel’s Natesto nasal gel to treat adult males with low testosterone

FDA approves Trimel’s Natesto nasal gel to treat adult males with low testosterone

Trimel Pharmaceuticals Corporation announced today that the United States Food and Drug Administration (FDA) has approved Natesto (testosterone), formerly CompleoTRT, the first and only testosterone nasal gel for replacement therapy in adult males for conditions associated with a deficiency or absence of endogenous testosterone. [More]
Trimel announces top-line results of Phase II clinical trial evaluating efficacy of Tefina

Trimel announces top-line results of Phase II clinical trial evaluating efficacy of Tefina

Trimel Pharmaceuticals Corporation (TSX: TRL) announced today top-line results of its Phase II clinical trial evaluating the efficacy and safety of Tefina™, a "use-as-required" testosterone nasal gel for the treatment of Female Orgasmic Disorder (FOD). [More]
Auxilium Pharmaceuticals presents new XIAFLEX clinical trial data at AUA Meeting

Auxilium Pharmaceuticals presents new XIAFLEX clinical trial data at AUA Meeting

Auxilium Pharmaceuticals, Inc., a fully integrated specialty biopharmaceutical company, today announced that new analyses of data were presented from its clinical program and pivotal IMPRESS (The Investigation for Maximal Peyronie's Reduction Efficacy and Safety Studies) trials, the Phase 3 studies that evaluated XIAFLEX® (collagenase clostridium histolyticum or CCH) for the treatment of Peyronie's disease (PD). [More]
USPTO grants two additional patents to SeroVital-hgh formula

USPTO grants two additional patents to SeroVital-hgh formula

SeroVital®-hgh, the "Fountain of Youth" Formula everyone's talking about, has been making headlines ever since a group of some of the most renowned researchers in the world revealed that this oral compound is actually capable of increasing mean, endogenous, serum (blood) human growth hormone (hGH) levels by 682%. Experts everywhere — from dermatologists and obesity researchers to women's healthcare providers and even the famed Dr. Oz himself — began paying attention to this groundbreaking formula. [More]
Study examines predictors and effects of testosterone therapy

Study examines predictors and effects of testosterone therapy

Three new studies examining the predictors, effects and durability of testosterone therapy on men will be presented to reporters at the 109th Annual Scientific Meeting of the American Urological Association (AUA) during a special press conference in the Orange County Convention Center, Orlando, FL on Sunday, May 18 at 2:00 p.m. ET. [More]