NOT KNOWN FACTS ABOUT ANAL SEX

Desire in anal intercourse has also originate from study in human immunodeficiency virus (HIV) transmission. Quite a few research have quantified the enhanced danger of heterosexual transmission from one particular act of anal intercourse as compared to a person act of vaginal intercourse (Boily et al., 2009; Leynaert, Downs, & de Vincenzi, 1998; P