Health

Sleep loss lowers testosterone in healthy young men

Cutting back on sleep drastically reduces a healthy young man's testosterone levels, according to a study published in the June 1 issue of the Journal of the American Medical Association (JAMA).

Health

Reactions to everyday stressors predict future health

(Medical Xpress)—Contrary to popular perception, stressors don't cause health problems—it's people's reactions to the stressors that determine whether they will suffer health consequences, according to researchers at ...

Gerontology & Geriatrics

Older people are doing increasingly less physical exercise

A study led by the University of Jaén reveals that people over 65 are not getting enough exercise. Experts emphasize the importance of preserving physical performance to prevent the negative consequences of aging.

Diseases, Conditions, Syndromes

WHO: Bird flu research raises safety questions

(AP) -- The World Health Organization is warning that dangerous scientific information could fall into the wrong hands after U.S. government-funded researchers engineered a form of the deadly H5N1 bird flu virus more easily ...

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