Last night Larry King Live helped highlight National Autism Awareness Day by inviting actress and author Jenny McCarthy to a panel about autism with four well–known doctors. As the mother of an autistic son, Jenny has become a spokesperson for the disorder, which affects one in every 150 children. The debate on the cause of autism often becomes deeply personal and heated and last night's show was no exception.

To see snippets of the discussion and more about the panel, read more