If you’ve ever wondered what causes morning breath, or if it's possible to lose your contact lens inside your head, this book is for you. Why Do Men Have Nipples? Hundreds of Questions You'd Only Ask a Doctor After Your Third Martini ($11) by Mark Leyner and Billy Goldberg, M.D. offers fun facts on questions about numerous "oddities of our bodies." So pick up a copy and find out why your teeth chatter when you're cold and why asparagus makes your pee smell.