Preventing it is simple, so it almost seems foolish not to apply sunscreen all over your body before you step outside. However, this is one case where too much of a good thing can actually have the opposite effect.
The growing rates of vitamin D deficiency in our nation are being pinned on an overuse of sunscreen. In the early 1990s, less than half the country was deficient in this vitamin, but now that figure has risen to 75 percent overall and 95 percent for African-Americans....read more>>>...