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NPR Health

Weighing in on Diet Programs with Dr. Ivan Walks

Have you recently pledged to stay on a diet and lose weight this year? NPR's Tony Cox checks in with Dr. Ivan Walks about a new report, which ranked 10 of the nation's most popular weight-loss programs. Walks is the former chief health officer of the District of Columbia, and is now the CEO and president of Ivan Walks and Associates.

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