THE BEST SIDE OF MATURE

Curiosity in anal intercourse has also come from research in human immunodeficiency virus (HIV) transmission. Numerous experiments have quantified the greater risk of heterosexual transmission from a single act of anal intercourse when compared to a person act of vaginal intercourse (Boily et al., 2009; Leynaert, Downs, & de Vincenzi, 1998; Powers,