A few years ago a patient came into my office complaining of migraines. He said, “You might think I’m crazy, doc, but I only get these headaches when I eat certain vegetables.” Which ones? It was hard to be sure. Salads gave him a headache only sometimes, and usually only in restaurants. Cole slaw gave him a headache no matter where he ate it. The list seemed completely random, and included Brussels sprouts, watercress, broccoli, and radishes. I grinned like an amateur holding a royal flush. The patient was naming only cruciferous vegetables. Continue reading →