The vitamin world is giving the wrong advice. For instance, if you do not know what you're doing with them, they're just as dangerous as any drug you could put in your mouth. The next thing is supplementing with vitamin D is not the same as being outdoors [music] because we absorb it through our skin.But what we've been told is don't ever let the sun touch your skin. And another example is when we're deficient in this vitamin, our brain actually forgets how to sleep. And I know that because I'm a neurologis ...