Medical research

Blocking hormone could eliminate stress-induced infertility

University of California, Berkeley, scientists have discovered that chronic stress activates a hormone that reduces fertility long after the stress has ended, and that blocking this hormone returns female reproductive behavior ...

Medical research

Study reveals one reason brain tumors are more common in men

New research at Washington University School of Medicine in St. Louis helps explain why brain tumors occur more often in males and frequently are more harmful than similar tumors in females. For example, glioblastomas, the ...

Medical research

Low testosterone raises risk of age-related functional disability

Elderly men with low levels of testosterone or other sex hormones have twice the likelihood of having declining physical function over two years' time compared with their peers who have the highest hormone levels, a new study ...

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