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Pro athletes and duffers alike are trying injections of platelet-rich plasma to treat chronic injuries like tennis elbow. But despite thousands of studies, it's not clear that the treatment works.

Most of the seafood Americans eat is imported; a lot of that is illegally caught. Now, environmentalists are using satellites to track pirate vessels on the high seas and help crack down on the trade.

Latinos make up 9 percent of the state's population and 2 percent of registered voters, and a new poll shows many are undecided. In Charlotte, Michel Martin learns more about their growing influence.

For smokers hoping to quit, text messages with tips and reminders may be just as effective as phone counseling, a study finds, doubling the success rate compared to people who didn't text.

The decision to quit smoking isn't some random act, according to new research from San Diego State University.

When it gets super-cold in Hell, Mich., guess what headline writers and radio hosts have to say about it:

People turn to Google for answers about how to do everything from changing a tire to putting on makeup. An entire industry has sprung up to make sure its sites — often with content dominated by ads — show up prominently in search results. But Google struck back, changing its formula to de-emphasize these so-called "content farms."

H. Richard Milner's new book helps educators understand how to incorporate talk of race, class and inequality into their lessons.

H. Richard Milner's new book helps educators understand how to incorporate talk of race, class and inequality into their classroom lessons.

As companies scramble to patch a bug that exposed much of the Internet for two years, you can protect yourself by practicing some good Web hygiene.