What is the Keto Diet and is it Healthy?

You may have heard of the ketogenic diet (aka, keto diet), a controversial eating plan that has gained some recognition recently because some celebrities tout its merits and also because it is sometimes used to help individuals who have epilepsy and type 2 diabetes. Today, keto diets are promoted as being able to boost your energy, enhance mental and physical performance, and prevent disease, among other benefits.