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Protecting your skin from the sun requires some effort, but it's worth reducing the risk of skin cancer and aging. However, protecting yourself is much more than just a few sunscreens, if you remember. Science shows regular use of the right sunscreen is the key to reducing the health risks associated with the sun. There are a few simple rules when it comes to sunscreen.
– Select at least one SPF (sun protection factor)
– Use a "shot-glass" size for your face and body (about 2 ounces).
– Remember to apply to your lips – they burn easily.
-If use a spray sunscreen, rub it in the skin after applying.
Apply 30 minutes before sun exposure.
– Apply after swimming or every two hours when you are outdoors.
-Wear sunscreen every day on cloudy days
Who needs sunscreen? Everyone! Regardless of age, race or gender, every fifth American develops skin cancer during his lifetime. Daily use of a high (15+) SPF sunscreen every day can help reduce this risk. Remember that sand, water and snow all reflect the rays of the sun, so wear sunscreen every day.
Madelyn Fernstrom, PhD, is NBC's News Health Editor. Follow her on Twitter @drfernstrom.