Dr. John Cannell was a psychiatrist at the Atascadero State Hospital in California. In 2005, he was in charge of a maximum security facility for the criminally insane. Knowing that the patients got very little sun exposure, he prescribed high doses of vitamin D to all 32 of his patients. As the winter came the hospital broke-out with a terrible flu epidemic. Dr. Cannell noted that wards all around his got hit hard with the severe flu outbreak but none of his 32 patients caugh