Testosterone is my favourite hormone, a focus of my research. In the public mind it is the body's most potent chemical, making the diference between a 90-pound weakling and a he-man, between a milquetoast and a lothario. Steroid analogues, stacked by muscle builders, are supposed to cause out-of-control "'roid rages". Some people - lieve an injection of testosterone propelled Floyd Landis from also-ran to his "mirac- lous Stage 17" of the Tour de France. The hormone has become part of the language of popular cultureT . he New York Times carried the following passages in the previous 2 weeks: "I always thought downtown had a high testosterone level", referring to the high ma- to-female ratio of residents in lower Manhattan (14 April 2007). "It is the kind of gathering that, at its most primal, has testosterone fowing more freely than the on-the-house spirits", referring to a news conference prior to a boxing match (20 April 2007). "[T]hese are testosterone-fueled domains, largely defnedby bulging muscles and e- ploding guns", in a review of an action movie (20 April 2007). "[T]his flm is about [auto racing] surfaces, for young men with testosterone to burn", from a review of another action movie (14 April 2007).

Male Sexual Health

Structure and Physiology of the Testis
Physiology of Erection
Physiology of Ejaculation
Drugs Which Compromise Male Sexual Health
Adverse Drug Effects
Male Sexual Health and Drugs
Drugs Which Compromise Testicular Function
Drugs Which Compromise Erectile Function
Drugs Which Compromise Ejaculation
Database of Drugs.