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Tanning beds have already been linked to an increased risk of the deadliest type of skin cancer and now new research shows they can also raise the odds of developing the most common form of the disease.

A little snap judgment goes a long way toward making friends: According to a new study from the University of California, Berkeley, all it takes is 20 seconds to decide whether or not a stranger is trustworthy.

“I think you like testing yourself to see how much you can squeeze into a day,” my husband has said to me on more than one occasion. And, on more than one occasion, his hypothesis has added another item to my day’s things-to-do list: argue with husband. Now, I have some empirical evidence that my constant multi-tasking is neither a personal proclivity nor an enjoyable practice.

The drunken-driving arrest of a Federal Aviation Administration chief isn’t the only news today about drinking behind the wheel. The number of drunken-driving arrests for women has shot up in recent years according to a study being released today by the Traffic Injury Research Foundation.

Explicit “sexting” by kids may be far less prevalent than previously thought, and police intervention may also be less common according to two new reports published online today in the journal Pediatrics.

Global emissions of carbon dioxide from fossil-fuel burning jumped by 5.9 percent, upending the notion that the brief decline during the recession might persist.

Four professors at IMD business school, Penn State, and Erlangen-Nuremberg University have collaborated on a study that finds that chief executives who are serious narcissists perform better than more normal top bosses. IMD Professor Albrecht Enders says, ?We have uncovered the bright side of narcissism. It can serve as a catalyst for risk-taking and innovation. ...

The Transportation Security Administration may back off a plan to conduct an independent study of the health effects of airport body scanners, saying a soon-to-be-released inspector general's report validates earlier conclusions that the machines are not harmful.

Los Angeles must be the smartest place in the country. Because we're certainly its medical marijuana dispensary capital. And a new study out of the U.K. indicates that people who start out life with high IQs tend to end up experimenting with drugs, marijuana chief among them.

A woman's heart breaks more easily than a man's. Females are seven to nine times more likely to suffer "broken heart syndrome," when sudden or prolonged stress like an emotional breakup or death causes overwhelming heart failure or heart attack-like symptoms, the first nationwide study of this finds. Usually patients recover with no lasting damage.