The father who went to the ends of the earth to cure his autistic son: The strange and magical story of how a boy's demons were tamed by shamans from the Kalahari to the Aboriginal rainforest.

In a new book, Rupert Isaacson tells the story of his autistic son Rowan, who had tantrums and felt isolated. Yesterday, Rupert revealed how being introduced to the bizarre rituals of traditional Mongolian shamans and a horse named Betsy helped Rowan express himself.

American Medicine Today (episode 60) speaks with Rupert Isaacson, author of "The Long Ride Home" and "Horse Boy," who uses equine therapy to help his child with autism.

Rupert Isaacson Interview - The Long Ride Home