In the 1920s, scientists discovered that the state of ketosis—when the body switches from using glucose to ketone bodies for fuel—effectively reduced the number of seizures in children with epilepsy. [1]  Why and how this works remains unknown. Nevertheless, the ketogenic (AKA keto) diet is often used to reach ketosis and is still prescribed as a pediatric anti-seizure treatment. Scientists are even considering it as a potential treatment for other neurological disorders like Alzheimer's and ...