I was pushing my son, Charlie, in a swing when his head twitched and he threw his right arm in the air. That was the beginning of an agony I am without words to describe. Nine months later, ... Charlie's seizures were unchecked, his development delayed, '' and he had a prognosis of continued seizures and progressive retardation. Since Charlie started the (ketogenic) diet, he has been virtually seizure-free, completely drug-free, and a terrific little...