Vitamin D: Why You Are Probably NOT Getting Enough and How That Makes You Sick

Mark Hyman, MD: Vitamin D: Why You Are Probably NOT Getting Enough and How That Makes You Sick: "What vitamin may we need in amounts up to 25 times higher than the government recommends for us to be healthy?

What vitamin deficiency affects 70-80 percent of the population, is almost never diagnosed and has been linked to many cancers, high blood pressure, heart disease, diabetes, depression, fibromyalgia, chronic muscle pain, bone loss and autoimmune diseases like multiple sclerosis?"