Bulletin Today | Personal HealthBy Jeff Donn for The Associated Press BOSTON (AP) — What happens to fish that swim in waters tainted by traces of drugs that people take? When it’s an anti-anxiety drug, they become hyper, anti-social and aggressive, a study found. They even get the munchies. It may sound funny, but it could threaten the fish population and upset the delicate dynamics of the marine environment, scientists say. The findings, published online Thursday in the journal Science, add to the mounting …