Writing in today’s Observer Food Magazine about something that has been bugging me for a while: nut allergies, gluten “sensitivity” and coeliac disease. What’s the difference between a real (sometimes life-threatening) food allergy and a lifestyle choice? And is all this making us more anxious around food? Susie Orbach says yes. I am with her. This piece was inspired by this missive in the four-year-old’s lunchbox (above). My bad.