Why Do Men Have Nipples?By: Mark Leyner, Billy Goldberg Hundreds of questions you'd only ask your doctor after your third martini! You know how it is you're at a party, you've had a drink or two, and then someone introduces you to a friend. He's a doctor. And it seems like the perfect time to ask all those strange questions you've always wondered about, but never had the courage to ask: Can poppy seeds make you test positive for heroin? What are goosebumps? Why does