Vitamin D3 is nature's miracle medicine. Is it a vitamin? Is it a hormone? Just how many illnesses does it prevent? Does it really prevent them? Or is it a deficiency in D3 that causes a person to become more susceptible to the hundreds of illnesses and conditions which people whose vitamin D serum levels are high don't seem to become stricken with nearly as often? These are just some of the questions this blog exists to attempt to try and answer.