Morgan Spurlock subjects himself to a diet based only on McDonald's fast food three times a day for thirty days without exercising to try to prove why so many Americans are fat or obese. He submits himself to a complete check-up by three doctors, comparing his weight along the way, resulting in a scary conclusion.
|Daryl Isaacs||Himself (as Daryl M. Isaacs MD Internal Medicine)|
|Lisa Ganjhu||Herself (as Lisa Ganjhu D.O. Gastroenterologist & Hepatologist)|
|Stephen Siegel||Himself (as Steven Siegel MD FACC Cardiologist)|
|Bridget Bennett||Herself (as Bridget Bennett R.D.)|
|Eric Rowley||Himself, exercise physiologist|
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