testosterone

Testosterone linked to belly fat increase during menopause

harminka — Fri, 21 Aug 2009 05:26:34 -0500

In middle-aged women, visceral fat, more commonly called belly fat, is known to be a significant risk factor for cardiovascular disease, but what causes visceral fat to accumulate?

Financial risk-taking behavior is associated with higher testosterone levels

harminka — Tue, 30 Sep 2008 07:24:54 -0500

Higher levels of testosterone are correlated with financial risk-taking behavior, according to a new study in which men's testosterone levels were assessed before participation in an investment game. The findings help to shed light on the evolutionary function and biological origins of risk taking.

Anabolic steroids provide competitive edge in power lifting years

harminka — Thu, 25 Sep 2008 00:52:17 -0500

Anabolic steroids are synthetic hormones derived from the human male hormone testosterone. The use of steroids has been suspected in professional baseball and other sports where building muscle strength, rather than endurance, is paramount.

Low sperm count may be associated with prenatal testosterone excess

harminka — Tue, 23 Sep 2008 07:13:18 -0500

Exposure to an excess of sexual steroids, like testosterone, during fetal development may be a potential risk factor for low sperm count and motility, according to a new study accepted for publication in Endocrinology, a journal of The Endocrine Society.

Testosterone key to disease transmission

harminka — Fri, 08 Aug 2008 01:00:53 -0500

High levels of testosterone may be a key factor in spreading disease among mice, according to biologists. The findings could help explain why males in a population are often more likely to get infected, and transmit disease.

Mother has the final say.

harminka — Mon, 21 Apr 2008 02:39:30 -0500

For young male offspring who suffer a dominant mother, a brother may be on the way to help bear the burden. And all because of follicular testosterone. A growing body of evidence suggests a maternal influence on sex determination: dominant human females conceive more sons.

Testosterone levels predict city traders' profitability

harminka — Tue, 15 Apr 2008 13:16:47 -0500

When City traders have high morning testosterone levels they make more than average profits for the rest of that day, researchers at the University of Cambridge have discovered.

Testosterone replacement theraphy beneficial in men 60 and older

harminka — Mon, 07 Apr 2008 12:55:49 -0500

The risk of osteoporosis (bone fracture) in women is highly recognized by the public. Less appreciated is the fact that the disorder also occurs in men. Some two million males have been diagnosed with osteoporosis and another three million are at risk.

MSU research indicates testosterone could guard against eating disorders

harminka — Tue, 04 Mar 2008 07:06:27 -0600

Testosterone appears to protect people against eating disorders, providing further evidence that biological factors – and not just social influences – are linked to anorexia and bulimia, according to new research findings at Michigan State University.

Females decide whether ambitious males float or flounder

harminka — Wed, 30 Jan 2008 12:41:04 -0600

Aggression, testosterone and nepotism don’t necessarily help one climb the social ladder, but the support of a good female can, according to new research on the social habits of an unusual African species of fish.

Testosterone supplementation for older men to have limited benefit

harminka — Wed, 02 Jan 2008 02:47:16 -0600

Older men with low testosterone levels who received testosterone supplementation increased lean body mass and decreased body fat, but were no stronger and had no improvement in mobility or cognition compared with men who did not use the supplement, according to a study in the January 2 issue of JAMA.

Testes have second purpose besides sperm production

harminka — Thu, 18 Oct 2007 13:14:30 -0500

Two reports from physician-scientists at NewYork-Presbyterian Hospital/Weill Cornell Medical Center shed new light on male infertility. A first report shows that a common cause of male infertility -- varicoceles, or varicose veins in the scrotum -- also results in a depletion of testosterone.