Word in the New York Times has it that the number of middle-aged men who are taking testosterone supplements is climbing rapidly, but the number of middle-aged men who actually need the hormone is not. Yes, many take it, while many fewer need it. Anahad O’Connor reports on the pharmaceutical company enriching trend, noting that the number of men taking testosterone has tripled since 2001, to 11 million. Testosterone does do some good things, writes O’Connor: it builds muscle, reduces [...]