Anthony William, the medical medium who has helped stars like Gwyneth Paltrow, Robert De Niro and Naomi Campbell, sat down with “Extra’s” Mario Lopez to talk about key foods he believes help prevent chronic health problems. William is not a…

Anthony William is a medical medium and New York Times best-selling author who has worked with Hollywood stars like Gwyneth Paltrow, Robert De Niro, and Naomi Campbell. Now, he’s sitting down with “Extra’s” Mario Lopez at Universal Studios Hollywood to…