There are a ton of different types of sunscreens on the market, but recent studies have shown that melanoma is on the rise and UVA rays are responsible for this potentially deadly form of skin cancer. (FYI, tanning beds are pure UVA rays.) To ensure that you’re protected, use an SPF that blocks UVA rays as well as UVB rays. And if you avoid the sun or use sunscreen, remember to supplement with extra vitamin D, at least 2,000 units each day.
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