I've been interested in the role of testosterone in physical performance, depression and aging for many years. While at the University of Iowa, I was involved in research to detect testosterone doping, the psychological effects of testosterone and the potential for testosterone to alleviate depression in older men. One of the difficult questions facing clinicians is when is testosterone too lo
8 Vote(s)
June 18, 2010
An Old Man Asks "Is My Testosterone Too Low?"
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February 22, 2010
The Good Jeans Hypothesis
Just about every article I read on women’s preferences for sexual dimorphism in men points out that the data are consistent with the good genes hypothesis. There are a couple of technical variations of this hypothesis, but they all are based on the reasonably well-established connection between testosterone and impeded immune system functioning. The idea [...]... Johnston, V. (2001)
10 Vote(s)
10 Vote(s)
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February 4, 2010
Testosterone is Not a Handicap
Many contemporary beauty researchers assume/conclude that attractive, sexually dimorphic features in men (strong jaws, increased lean muscle mass, etc.) are true signals of mate quality. This model is best illustrated in peacock tail feathers: the size and color of the train makes the male more sexually attractive to peahens. Rather than being just an attractive, [...]... Richard G. Bribi
14 Vote(s)
14 Vote(s)
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December 18, 2009
What’s More Potent, Testosterone or the Power of Belief?
When most people think of testosterone, words like “aggression,” “dominance,” and “violence” usually come to mind. Those words are memetically linked with testosterone the way “expensive” is linked with diamonds, and most of us have adopted the linkage without thinking much about it. Collectively, we’ve adopted a “folk hypothesis&rdquo
10 Vote(s)
10 Vote(s)
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November 16, 2009
Testosterone-status mismatch in a group is linked with reduced collective confidence
Men and women with more testosterone like to be in charge. Indeed, they can find it stressful and uncomfortable when denied the status that they crave. Similarly, people low in testosterone find it uncomfortable to be placed in positions of authority. An intriguing new study has built on these earlier findings, showing a mismatch between testosterone-level and status can have an effect on group f
8 Vote(s)
8 Vote(s)
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September 25, 2009
Digit ratios and disordered eating in men: Using the ratio of the second finger to the fourth finger as a measure of prenatal testosterone exposure
by Michael D. Anestis, M.S. We have devoted a fairly substantial amount of attention to eating disorders on PBB. If you have read these articles or are familiar with eating disorders in general, you likely know that these diagnoses are...
7 Vote(s)
7 Vote(s)
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August 26, 2009
Women with high testosterone may take more financial risks
August 24, 2009 WASHINGTON - Women with more testosterone tend to behave more like men when taking financial risks, according to a new study. "Women with higher levels of testosterone turn out to be less risk averse, more willing to take risks," Luigi Zingales of the University of Chicago said in a telephone...
5 Vote(s)
5 Vote(s)
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August 25, 2009
Higher Level Of Testosterone In Women Linked To Choice Of Risky Careers
Higher levels of testosterone are associated with a greater appetite for risk in women. The link between risk aversion and testosterone predicted career choice: individuals who were high in testosterone and low in risk aversion chose riskier careers in finance.
16 Vote(s)
16 Vote(s)
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