Vitamin D - Myth and Reality Vitamin D deficiency is known now as a significant problem, especially in the Seattle area due to our frequent gloomy weather and general lack of sun. The human body, through sun exposure, naturally absorbs Vitamin D; however the same rays that deliver vitamin D also increase the risk of skin cancer—and sunscreens block vitamin D absorption—thus creating the need to supplement vitamin D levels. There is much debate today about vitamin D deficiency and how it affects our health. Some of the debate is constructive and raises valid concerns, and some is controversial and has no scientific basis. In this paper, we will separate fact from fiction about vitamin D deficiency. Myth: The more Vitamin D intake the better. Reality: The Recommended Daily Allowance (RDA) of Vitamin D for an adult is around 2000 u and for a child- 400 u. However, the RDA for you may be different, a personal recommendation from your health care provider regarding vit...