Dr. John Harvey Kellogg, of Seventh Day Adventist, the Battle Creek Sanitarium, and cereal fame. Doctors there of circa 1910s,1920s maybe discovered it affected

Dr. John Harvey Kellogg, of Seventh Day Adventist, the Battle Creek Sanitarium, and cereal fame. Doctors there of circa 1910s,1920s maybe discovered it affected and was used to treat epilepsy, as I recall.