The dirt on clean eating

Aided and abetted by social media, so-called clean eating has gone from a fringe fad to a mainstream movement. Along the way, this mania for whole and unprocessed foods has made its proponents sick and legitimized junk science. The Guardian explores how the world fell for the clean eating industry—and keeps swallowing its baloney, with encouragement from quack nutritionists and celebrities like Gwyneth Paltrow.