as Self / Investigative Science Journalist / Author

as Self / Investigative Science Journalist / Author

as Self (Archival footage) / Physiologist

as Self / Scientist / Author / Professor Emerita

as Self / Narrator / Nutritionist / Functional Medicine Physician

as Self / Cardiologist

as Self / Obesity Specialist

as Self / Obesity Researcher

as Self / Cardiologist

as Self / Pediatric Endocrinologist

as Self / Diabetes Specialist

as Self (Archival footage) / Comedian

as Self / Obesity Specialist

as Self / Certified Nutritionist

as Self (Archival footage) / President

as Self / Certified Diabetes Educator

as Self / US Army Pilot

as Self / Internal Medicine Physician

as Self / Founder and CEO, LowCarbUSA

as Self / Founder, Bulletproof