A narrative history of hormone use told through the eventful life of Dr. Harry Benjamin, a pioneer in reshaping our notions of sex and gender. Today, it is standard to think of ourselves as hormonal beings. We blame "raging hormones" for the tempests of puberty and midlife and spend our days "running on adrenalin" in "testosterone-fueled" workplaces. Yet this view is relatively recent. Alison Li tells the fascinating history of...