The ketogenic (keto) diet has dominated the weight-loss market since its rise to prominence in the mid-1990s. It’s boosted sales of high-fat meats, fish, dairy and eggs, and reached a global market ...

Originally developed as a treatment for epilepsy in the 1920s, the keto diet is a low-carbohydrate and high-fat diet made possible by the metabolic process ketosis. The diet had a resurgence in ...