From Joe Rogan to Dax Shepard, men are taking testosterone supplements to increase virility. In reality, it's harming their sperm.

Jaime Munguia’s B-sample for his most recent post-fight drug test likewise came back positive for exogenous testosterone ...

Jaime Munguia’s rematch victory over Bruno Surace is now in question after a post-fight drug test came back positive ...

“Exogenous” means the testosterone came from an outside source as opposed to Munguia’s (45-2, 35 KO) own endocrine system. This is not to be confused with clenbuterol, ...

Jaime Munguia faces a suspension and his May 4 win over Bruno Surace could be overturned after his B-sample came back ...

Jaime Munguia's B-sample came back positive for exogenous testosterone, reaffirming his positive A-test from May 29th for his ...

"Exogenous testosterone - like many banned substances - can enter the body in various ways, not just through intentional use," it said in a statement. However, according to specialists, ...

Philadelphia Phillies closer Jose Alvarado has been suspended 80 games after testing positive for exogenous Testosterone, MLB announced Sunday. Alvarado, who has a team-leading seven saves in ...