Top Cast
Gary Taubes
Self - Investigative Science Journalist / Author
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Nina Teicholz
Self - Investigative Science Journalist / Author
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Ancel Keys
Self (Archival footage) - Physiologist
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Tim Noakes
Self - Scientist / Author / Professor Emerita
Mark Hyman
Self - Narrator / Nutritionist / Functional Medicine Physician
Bret Scher
Self - Cardiologist
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Sarah Hallberg
Self - Obesity Specialist
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Zoe Harcombe
Self - Obesity Researcher
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Salim Yusuf
Self - Cardiologist
Robert Lustig
Self - Pediatric Endocrinologist
