The effect an HIV-treatment pill is having on the gay community: “For some men, Truvada’s new use seems just as revolutionary for sex as it is for medicine. ‘I’m not scared of sex for the first time in my life, ever. That’s been an adrenaline rush,’ says Damon L. Jacobs, 43, a therapist who has chronicled his own experience with the drug on Facebook so enthusiastically that some assume Gilead, the drug’s manufacturer, must be paying him.”