Anal intercourse is way at the lonely top. A distant second, IV drug use/abuse. An even more distant third is vaginal intercourse, for the woman of course. The male partner in vaginal has almost no risk at all.
Sure, but for example, consider 1 in 5 adults has herpes. Thats like one bullet in every revolver. And the xtrains of diseases are getting hardier/stronger to kill. And for straight folks, hpv is running wild and herpes is now no big deal. The gays now think hiv is no big deal and a badge of proof they’re a real gay. Like they earned a merit badge.