What gives you the right to write about that? (Mistake #57)
I was asked this when my book on coeliac disease (or gluten intolerance) came out, by a potential reader who had the condition. She seemed offended, almost, that someone who wasn’t a coeliac sufferer, or a nutritionist, or a gastroenterologist, or a doctor or medic of any kind, and not even, say, a caterer with …