What ails you? If the 2012 Google Zeitgeist trending health issues is any indication, it's your bum.
Yes, "hemorrhoids" tops the list this year. Why? "I don't know, but hemorrhoids are definitely a pain in the butt," says Satish Rattan, DVM, a professor of medicine in the department of gastroenterology at Jefferson Medical College in Philadelphia. He's doing pioneering research on molecular causes of hemorrhoids. "It's a matter of dignity," he explains.