The medical term bulimia was borrowed as recently as 1979 from an older French word meaning “an unstoppable desire to consume”, which is why in France, at least, people will sometimes say jokingly “Hey, you’re bulimic today!” or talk about “bulimia of reading”. However the medical problem of bulimia, characterised by eating huge amounts of food, is no joke. It would be a mistake not to take it seriously,…