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Ultraviolet light can burn your skin and raise the risk for skin cancer. New research has helped uncover how the rays can weaken skin's outer layer, compromising its ability to protect the body.

This first presidential debate will focus on domestic issues, with the economy topping the list of homefront problems. Here are three economic terms likely to come up in the debate.

Over the weekend, Hikaru Nakamura won the 2012 U.S. Chess Championship in St. Louis, Missouri. He's the top-ranked chess player in the country, and is now 2 1/2 points away from beating Bobby Fischer's all time record. For Tell Me More's series, "In Your Ear," Nakamura talks about the music that gets him pumped up for competition.

The only trend in stadium beer is that prices go up, according to one industry watcher. Analysis by online financial website TheStreet.com found that Marlins Park has the most expensive beer of any baseball stadium. But, ounce for ounce, Miami's not even in the top 10 for expensive beer.

Mount Sinai School of Medicine is adding a Department of Family Medicine. It is now one of the only top medical schools to offer family medicine as a specialty for its students.

Could an actress and political activist with no electoral experience give the Senate's top Republican a race in very red Kentucky? It would be a long shot, say political experts, even though Judd has deep roots in the state, calling herself an "at least 8th generation Eastern Kentuckian."

The Obama administration is expected to ask for $50 billion to $60 billion. Top administrators told Congress Wednesday that they want at least some of that money to go toward preventing the kind of devastation caused by Sandy and other recent storms.

The U.S.-China economic relationship is under pressure again with allegations from the House Intelligence Committee that two top Chinese telecom firms are security threats. China responded by saying the report could damage relations with the U.S.

After President Obama and House Speaker John Boehner's face-to-face meeting, there's talk about an agreement soon being struck. But every such analysis also comes with many caveats.

When researchers asked hospitals how much a total hip replacement would cost a 62-year-old woman paying cash, a surprising number couldn't or wouldn't say. Health care could learn something from the car industry about working with consumers, critics say.