Car Windows Do Not Filter Out UVA Rays.

The Boston Globe  (10/13, DeMarco) reports, "Car windows -- and those in your home -- are good at filtering out ultraviolet B rays, which cause sunburns. But car and home windows generally don't filter out ultraviolet A rays, which penetrate deeper into the skin" and "can interfere with your body's ability to protect against skin cancer," explained dermatologist Paul Lizzul, MD, PhD, MPH, MBA, associate director of clinical research in dermatology at Tufts Medical Center. According to the American Academy of Dermatology's website , sunscreen should be worn "on exposed areas whenever we go outside," and that includes inside the car.

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