What is unnatural is restricting sunshine and wearing chemicals that refract healthy sunshine. It IS natural to walk around in our birthday suits but we can't do that eaither. Even if we could walk around naked, that would be useless if you live in, say, Ohio, especially if you' black. There is already a price being paid by restricting the natural way to get vitamin D. Let's not remedy this by restricting alternative ways of taking in this vital nutrient.