Iowa Teacher Eats Only McDonald's For 90 Days

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(CBS- KCCI-TV) A central Iowa high school teacher conducted an unusual science project; he ate nothing but McDonald's for 90 days. In a story from KCCI, Des Moines and a documentary by John Cisna some very interesting results were reported.

Cisna and his team of students in the Colo-Nesco School district came to a surprising conclusion.

Cisna noted that "I can eat any food at McDonald's I want - as long as I'm smart for the rest of the day with what I balance it out with...that's what so amazing about this experiment."

For 90 days Cisna ate at Mickey D's for breakfast lunch and dinner, but with strict daily nutritional limitations of 2000 calories and trying to stay close to the recommended dietary allowances for nutrients like carbohydrates, proteins, fat calories, cholesterol.

Cisna talked with the owner of the local McDonald’s franchise and the owner was so interested to see what the results were, he agreed to provide those 90 days of meals to Cisna free of charge.

Cisna's students used McDonald's online nutritional information to design a daily meal plan for their teacher, making sure to follow the nutritional limitations they had set.

During the experiment that Cisna has turned into a mini-documentary he also started walking 45 minutes a day. By the 90th day Cisna said he lost 37 pounds, and his cholesterol dropped from 249 to 170.

The point behind his documentary is it's choice, we all have choices it's our choices that make us fat - not McDonald's.