Some soccer teams are banning their players from having sex while they are competing in the World Cup. Laci Green and Sourcefed's Steve Zaragoza have the skinny on how abstinence affects athletes.
The findings add to the evidence that there's a link between testosterone and heart problems in men.
Just a whiff of a woman close to ovulation is enough to stimulate another woman's testosterone levels.
Women's ability to detect snakes is heightened during PMS.