"Harvard human evolutionary biologist Carole Hooven reveals the most cutting-edge research about testosterone to illuminate the real biology of masculinity and makes the case that understanding this science is critical for social progress"-- Since antiquity humans have understood that typically masculine behavior depends on testicles, the main source of testosterone in males. Which sex has the highest rates of physical violence, hunger for status,...

"What constitutes a "real" man or woman in the twenty-first century? Since birth control pills, erectile dysfunction remedies, and factory-made testosterone and estrogen were developed, biology is definitely no longer destiny. In this penetrating analysis of gender, Beatriz Preciado shows the ways in which the synthesis of hormones since the 1950s has fundamentally changed how gender and sexual identity are formulated, and how the pharmaceutical and...

"Hormone Harmony answers these and many other questions from women of all ages, and includes a special section for men. Today, hormone imbalance is an epidemic that is upsetting countless lives with symptoms such as these: lack of energy ; loss of zest for life ; weight gain ; mood swings ; loss of sex drive ; sleep disturbances ; fuzzy thinking ; forgetfulness ; hot flashes. Traditionally, menopause is viewed as the chief trigger of hormonal problems...