Dr. William Supple Jr., author of the new book The Sunlight Solution: Reclaiming Vitamin D, Reversing the Chronic Disease Epidemic, and Making America Healthy Again, tells Shaun that 8 out of 10 Americans have a chronic medical condition and he points to Vitamin D deficiency as Big Pharma has been selling the 'sun scare' for decades and Vitamin D is necessary for your immune system to run correctly.