Study challenges old notion that menopause starts in the ovariesSome of the most unpleasant symptoms of menopause, such as hot flashes and night sweats, have long been believed to originate in the ovaries.

But new research challenges that assumption, and instead suggests that menopausal symptoms, at least in part, may begin in the brain.
 
That's because the hypothalamus and the pituitary gland stop reacting normally to estrogen in some women, suggesting they may have developed a reduced sensitivity to estrogen, researchers at the New Jersey Medical School report in the Dec. 22/29 issue of the Journal of the American Medical Association.

"This is an important new concept: Menopause doesn't just originate in the ovary, but also in the brain," said Laura Goldsmith, a professor of obstetrics and gynecology and women's he ... Read more »