Bite Size

From the UFC Octagon in Las Vegas and the anthropology lab at Dartmouth, to a strongman gym in Berlin and the bushlands of Zimbabwe, the world is introduced to elite athletes, special ops soldiers, visionary scientists, cultural icons, and everyday heroes—each on a mission to create a seismic shift in the way we eat and live.

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.