Written by a leading neuroscientist, Splitting tells the fascinating true story about headaches, and the secrets they reveal about your brain and overall health. Did you know... - chocolate doesn't give you a headache - and may in fact prevent one happening? - 30% of us sneeze at sunlight? - you can see off a headache with an orgasm? - that you shouldn't wear a striped top if your spouse gets migraines? From migraines to sinus pain to tension headaches - and everything in between - Splitting separates fact from fiction, putting you in control and helping you practise habits that will protect you from headache.