Dr. Ian K. Smith highlights clean eating in new work 'The Clean 20'

Just after about a week or so of its release, Dr. Ian K. Smith, M.D.'s latest work is No. 2 on the NYTimes bestseller list.

Joining FOX 2 is Dr. Smith with more on "The Clean 20: 20 Foods, 20 Days, Total Transformation."

Click here to learn more about the book.