Thinking about going on a diet? Here are the best diets ranked

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The results are in for the best diet rankings from U.S. News & World report.

The popular dash diet eating plan was ranked number one for the fourth year in a row.

Second up, Therapeutic lifestyle changes diet.

Trying for the third place spot were, the Mayo Clinic Diet, the Mediterranean Diet and Weight Watchers.

Last on the list, the controversial Paleo Diet–despite being the most searched on Google last year.

The rankings are based on safety, effective weight loss, heart health, and diabetes prevention.