Sunscreens -What you need to know!
Advanced Wilderness Life Support (AWLS) - Un podcast de AWLS
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We put sunscreen on when we go in out in the sun. Do they help? We use old bottles that are on the shelves, is that safe?. There are a bunch of chemicals in them, but we don't know what they do. Do sunscreens prevent skin cancer? Listen as we answer these and other question about the cream we put on our skin.
