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Testosterone stimulates prostate cancer in animal model

Testosterone raises the risk of prostate cancer in an animal model, according to a University of Illinois at Chicago researcher, who urges ...

Reduced testosterone tied to chemical exposure

ANN ARBOR—Adults and young boys exposed to high levels of phthalates—chemicals found in plastics and some personal care products—tend to have reduced ...

Society Bloomed With Gentler Personalities and More Feminine Faces

Technology boom 50,000 years ago correlated with apparent reduction in testosterone ... Full story

Did Lower Testosterone Help Civilize Humanity?

Study Links Increased Cooperation to Softer Skull Features ... Full story

Testosterone replacement therapy among elderly men has more than tripled

By Geoff Koehler - Use of testosterone replacement therapy more than tripled over the past 15 years, but only 6.3 per cent of men receiving this treatment were diagnosed with the main clinical condition it is approved for under the Ontario government drug plan, a new study found. ... Full story

UTMB study shows testosterone therapy does not increase heart attack risk

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. A new U.S.-based study of more than 25,000 older men shows that testosterone therapy does not increase men’s risk for heart attack. ... Full story

Study: Testosterone therapy can damage brain health in Caucasian men

Ads touting testosterone replacement therapy are ubiquitous on radio and television. But medical research has determined that its success at enhancing libido may come at a price. ... Full story

Men, women in more satisfying relationships have lower testosterone

ANN ARBOR—Many people assume that the more testosterone, the better, but a new University of Michigan study finds that might not always be the case in romantic relationships. ... Full story

Study Calls for Standardization in Measuring Testosterone Levels

Testosterone blood tests, long questioned as being unreliable, should be used in conjunction with a physical exam to determine treatment ... Full story

Self-employed men have higher levels of testosterone, study finds

An abundance of the sex hormone testosterone is associated with being self-employed, a study from the University of Birmingham, University of Surrey and the University of Adelaide study has found. ... Full story

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