On the NBC show Heroes, Greg Grunberg plays an ordinary guy with
extraordinary powers. In real life, he credits astonishing powers to his
13-year-old son, Jake, who has lived with epilepsy for the past five years.
Epilepsy, a neurological condition that affects 3 million Americans (350,000
of them are children), causes periodic seizures, where the brain produces a
sudden burst of electrical activity. During a seizure, people can shake, stare,
fall down, or even briefly lose consciousness. "To...