Too much testosterone kills brain cells
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Too much testosterone can kill brain   cells, researchers said on Tuesday in a finding that may help   explain why steroid abuse can cause behavior changes like   aggressiveness and suicidal tendencies.
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A widely publicized study that has already linked hormone replacement therapy to an increased risk of stroke, heart attack and some cancers also uncovered a blood clot hazard, researchers reported on Tuesday.
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Nov. 22, 2004 -- Carrying too many extra pounds during your life may take its toll on your brain as well as your body, according to a new study.
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Oct. 27, 2004 -- A new study hints at why forgetfulness plagues older men. Loss of testosterone, which happens normally as men age, seems to be at the root of some memory loss.
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NEW YORK  - Treatment with high-dose  steroids for multiple sclerosis and other disorders may impair  long-term memory, according to a report in the medical journal  Neurology. The good news is that mental functioning usually  returns to normal a few days after stopping the drug.
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Now a team of researchers has found that severe emotional distress - like that caused by divorce, the loss of a job, or caring for an ill child or parent - may speed up the aging of the body&#39;s cells at the genetic level.
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Researchers are still figuring out the dangers and benefits of hormone replacement therapy, but two new studies give a boost to estrogen as a defense against dementia
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SAN DIEGO - Severely cutting calories helps middle-aged mice live longer and healthier, but not smarter, say some Washington University neuroscientists.
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Women who are consistently overweight or obese during adulthood may be at increased risk for a decrease in the volume of certain areas of their brain -- according to a study from Sweden
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Stress can produce an enzyme that interferes with short-term memory and other higher brain functions, according to an article in Science.
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NEW YORK  - Women who are consistently  overweight or obese during adulthood may be at increased risk  for a decrease in the volume of certain areas of their brain --  according to a study from Sweden
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Giving the body's natural appetite suppressant to morbidly obese volunteers de-activated their brain's response to tasty food -- and the new brain activity lasted for as long as the hormone was delivered, U.S. researchers reported on Monday.
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A single episode of severe stress can be enough to kill off new nerve cells in the brain, research suggests.
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Deaths from brain diseases such as Alzheimer's, Parkinson's and motor neuron disease appear to have soared in the past two decades in the world's most developed nations, and researchers are blaming the increase ...
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Testosterone levels in men decline with age, and this could have an effect on their mental well-being. However, experiments in healthy young men indicate that artificially shutting down androgens -- male hormones -- doesn't have much effect on their mood, according to a new report.
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Investigators said that the professional wrestler Chris Benoit had extremely high levels of testosterone in his system when he killed his wife, his son and himself.
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A new study conducted by researchers at the Karolinska Institutet in Sweden suggest that the male sex hormone testosterone has both a physiological and a psychological impact on female sexuality.