New York Times best-selling author Dr. Ian Smith talks about his new book The Clean 20. Plus, Maria Sims and Angela Smith take the Clean 20 challenge… 20 foods… 20 days… total transformation. We’ll follow up with them to see how the plan works for them.

To purchase The Clean 20, click here.

For more information on Dr. Ian Smith, visit him online at or click here to follow him on Facebook.