Food cravings often have a life of their own. I have a friend who once braved a rainstorm because she had to have a bag of salty potato chips. I thought she was crazy, but it seems that food cravings may have specific reasoning behind them, and may tell us something about who we are. Alan R. Hirsch, M.D., head of the Smell & Taste Treatment and Research Foundation in Chicago and the author of Read more