Memorial Day Sunburn and Increased Cancer Risk

Dr. Richard Besser discusses health concerns as the summer sets to begin.
2:15 | 05/27/13

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Transcript for Memorial Day Sunburn and Increased Cancer Risk
The unofficial start to memorial day. You're all here. It's official memorial day. Summer season starts today. Dr. Richard besser is here. Not only are we unofficially starting the summer season, but sunburn season. Dr. Besser out with a new book, "tell me the truth, doctor." You want to get it. We're going to play a game here. And the audience are going to try to answer the questions. First up, is the question -- cue the music. I love that. Is it worrice you pay -- you get what you pay for when it comes to sunscreens? True or false? Yes or no? The real answer is no. Yeah. "Consumer reports" did a study. They found that the target and the walmart brand were the best and the cheapest. Spf lower than 15. Is there any point to sunscreen lower than spf 15? Yes or no? Half and half. He was emphatic. He's correct. Anything below 15 -- there we go. Anything below 15 has to have warning label now to say it does not protect you from cancer. That's the change. Anything above 15 doesn't provide additional protection. Between 15 and 50 is the way to go. A couple more questions to go. I wonder about this. Is there any truth to a water-proof sunscreen? Can it really be water-proof? Half and half. I say no is correct. Water-resistant. Yes. Water-proof, no. And now, the label has to tell you how long it will protect you when you go in the water. You have to put it on every couple hours. But none of it is water-proof. If you're in the sun for an entire day, you have to use a half-tube of lotion? Yes or no. The answer is yes. It used toast me the entire summer. You have to use two tablespoons every couple hours. And that's going to be half a tube a day. Tell me the truth. "Tell me the truth, doctor."

This transcript has been automatically generated and may not be 100% accurate.

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