In 2008, Paul B. Preciado published Testo Junkie, which is, among other things, an influential account of his illegal self-administration of testosterone gel. Stints of heady Foucauldian theory are interspersed with powerful memoiristic passages: He writes elegiacally to a friend who recently died, begins a potent affair with the French feminist writer and filmmaker Virginie Despentes, and lyrically describes the effects of testosterone on his body and mind. With a lofty sense of ritual and menace, he compares the packets of gel to “dissected scarabs, poison bullets extracted from a corpse, fetuses of an unknown species, vampire teeth capable of