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Man loses 37 lbs. after eating only McDonald's for three months

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Many people are starting the New Year trying to lose weight. A science teacher in Iowa already shed his weight, and did so by only eating McDonald's for three months.

What? Yep, you read that right. KCCI news reported on Friday, that John Cisna tried out an experiment of eating nothing but McDonald’s for three months. And instead of gaining weight like Morgan Spurlock did in the documentary "Super Size Me," Cisna actually lost 37 pounds and his cholesterol dropped.

The teacher had his students help him plan out a 2,000-calorie daily diet consisting of McDonald's food. They also tried not to go over recommended allowances of nutrients like carbohydrates, proteins, fat calories and cholesterol.

For breakfast, Cisna would have two egg white delights, a bowl of maple oatmeal and 1 percent milk. At lunch, he’d get a salad. Dinner was a value meal, including Big Macs, ice creams and sundaes.

During the three months, Cisna walked for 45 minutes every day, and he reported that his weight dropped from 249 to 170 pounds from 249. He said he was able to get healthier simply because he made smart choices.

“It’s our choices that make us fat. Not McDonald’s," he told the TV station.

Gaining and losing weight is a lot about math, rather than science. There are 3,500 calories in a pound. If you consume an extra 500 calories a day for a week, without burning it off through exercise, you will gain a pound. If you count your calories and stay within a healthy limit you can maintain and even lose weight.

We told you last month about faith based weight loss. What do you think is the best diet?

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