Many people believe the raw-food gospel. Raw food restaurants and websites have sprouted like alfalfa, proffering the likes of raw pad Thai made from kelp noodles or pizza with a chia and potato crust. The Instagram hashtag #rawfood has 3.2 million posts, a rainbow of raw berry cheesecakes, avocado ‘tacos’ and spiralised courgette ‘pasta’. For the full article, click here.