Sunscreen* A preparation, often in the form of a cream or lotion, used to protect the skin from the ultraviolet rays of the sun. Vitamin D* A fat-soluble vitamin occurring in several forms, especially vitamin D 2 or vitamin D 3 , required for normal growth of teeth and bones, and produced in general by ultraviolet irradiation - found in milk, fish, cheese and eggs. Oreo * A good cookie; made up of two chocolate cookies with vanilla filling, can also come in double stuffed I wear sunscreen everyday rain or shine all year. That's what we've been told to do.... right? To help prevent skin cancer, wrinkles and the like.... SUN BAD! I wasn't always so disciplined, but for the last ten years I've been Miss SPF 55. Until a recent visit to the endocrinologist I was quite proud of this effort. I was at my Doctors office for a regular visit for my thyroid, he also checked my vitamin D levels (I must have looked pale.)...