as Self / Narrator / Producer

as Self / Professor, Duke Univ. / Author / Internal Medicine Dr.

as Self / Investigative Journalist / Author / NuSI

as Self / Science Journalist / Author / Nutrition Coalition

as Self / Cardiologist

as Self / Medical Doctor

as Self / Internist / Addicitionologist

as Self (Archival Footage)

as Self / Family Physician

as Self / Psychiatrist