Sun exposure signals the deeper layers of the skin to make melanin. Melanin is then sent up to the surface layers of the skin to protect us, like a little black umbrella. Melanin makes us
Vitamin D is a hormone, not a vitamin. You would never dream of taking a neighbor’s thyroid pills or insulin or prednisone on a whim. You should think of vitamin D in the same way.
Vitamin D is one of the oldest hormones we know of. Plants and fungi make vitamin D2 , also called Ergocalciferol. It is similar to our vitamin D and probably older but it is not what
While we are in deep sleep we make repairs. Every repair requires vitamins. Every cell in our body uses the B vitamins to make energy. Some B vitamins are used to make proteins or nucleic
We are one of the few animals on earth without feathers, scales or fur. It turns out to be a bit risky not to have a covering on the skin, but there may be some