Sunscreen must be applied several times a day to be effective, according to the Melanoma Research Alliance.
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As you head to the beach or pool, here are some sun-sense tips to keep in mind: Skin that tans is not invulnerable to cancer, and one application of sunscreen daily is not enough protection against the sun's harmful ultra-violet rays, according to skin cancer experts.
Melanoma, the deadliest form of skin cancer, claims more than 9,000 lives in the United States every year. The rate has been rising over the past 30 years and it's now one of the most common cancers in people younger than 30 years old, particularly young women.
The best way to prevent skin cancer is to reduce sun exposure by wearing ...