Although their apparently healthy sperm may swim like tiny Olympians, some men can still suffer from infertility if their sex cells lack a crucial 'chaperone' protein, researchers have found.
Source: http://www.cosmosmagazine.com/news/4309/new-chemical-male-contraceptive-stop-stis
Angelina Jolie Anna Faris Anna Friel Anna Kournikova Anna Paquin AnnaLynne McCord Anne Marie Kortright
