From left, Priscilla Howard, Crystal Hanna and Nancy Haunty, all breast cancer patients, listen at a Food and Drug Administration hearing on Avastin in Silver Spring, Md., on Tuesday. Joshua Roberts/Bloomberg via Getty Images hide caption

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In remembrance of cancer victims, participants in an American Cancer Society Relay for Life hold candles at Olmsted Falls High School in Olmsted Falls, Ohio, last Saturday. Mark Duncan/AP hide caption

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Savannah Stidham gets smeared with sunscreen during a visit to a beach in Fort Lauderdale, Fla., in 2006. Joe Raedle/Getty Images hide caption

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Erica Fortescue of San Francisco puts sunscreen and a hat on 11-month-old Nico Fortescue as her brother Theo, 4, looks on during a March spring training baseball game in Phoenix. Eric Risberg/AP hide caption

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A breast cancer patient receives an experimental cancer treatment at the University of California, San Francisco, in 2005. Justin Sullivan/Getty Images hide caption

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A Washington man talking on his cellphone may be taking a health risk, according to an analysis from the World Health Organization that finds a possible risk of cancer from exposure to the devices. Nicholas Kamm/AFP/Getty Images hide caption

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A study finds that drinking at least six cups a day of coffee reduces the risk of aggressive prostate cancer by 60 percent. Francois Guillot/AFP/Getty Images hide caption

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