How Not To Lose Weight: 5 Crash and Fad Diets That Don’t Work [SLIDESHOW]

By Amir Khan on August 31, 2012 9:01 AM EDT

  • 5 pictures

How Not To Lose Weight: 5 Crash and Fad Diets That Don’t Work [SLIDESHOW]

 

With the obesity rate in the United States rising, it's no surprise that diets that claim to work quickly and easily become all the rage. But are they safe?

Healthy weight loss consists of losing approximately 2 pounds (1 kilogram) per week, according to the National Institutes of Health. Crash diets that promise to help you lose weight at a faster rate than 2 pounds per week rarely lead to permanent weight loss and often don't provide all the nutrients your body needs, the institute states on its website.

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Crash diets restrict what foods you can and can't eat, but when you're eating less than 1,000 calories per day, you'd lose weight no matter what you eat, Donald Hensrud, chairman of preventive medicine at the Mayo Clinic, told US News & World Report.

"People could eat nothing but jelly beans and if they were eating just a small amount, they would lose weight," he said. "You might be able to get away with it for a period of time, but the more restrictive [the diet] is-and the longer you follow it the greater the risks."

Click through the slideshow to see some examples of crash diets that simply don't work.

 

 

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