In the sea of nutritional trends—keto, paleo, low-fat—Tim Spector, professor of genetic epidemiology at King’s College London, gut health expert, and co-founder of the London-based nutrition startup ZOE, is most frustrated by one that seems to have taken the U.S. by storm: an obsession with high-protein, low calorie diets.
“I don’t think I’ve ever seen anything like it in the last decade, as far as food trends go,” Spector tells Fortune.
