In this Issue · Volume 20 Is It Menopause or Your Thyroid? The Enigmatic Evolution of Menopause

Each day, thousands of middle aged women visit their doctors with complaints of infrequent periods, weight gain and fatigue. In most cases, these women are diagnosed with symptoms of menopause and sent home with information about lifestyle modifications and treatment ...

“Along with big brains and upright posture that every text of human evolution emphasizes, I consider menopause to be among the biological traits essential for making us distinctively human—something qualitatively different from, and more than, an ape.” -Jared Diamond, 1996 ...