Whether you're the life of the party -- or a wallflower -- your party-personality may partly depend on your genetic make-up.
Researchers at the University of California, San Diego analyzed the social networks of more than a thousand twins.
Some were identical - meaning they had the exact same genes - and others were fraternal. Social circles were much more similar among the identical twins than the fraternal.
While the research could some day help to pinpoint personality genes, researchers say this doesn't mean they'll be able to change someone's personality by simply switching a gene on or off.
That's because personality is also heavily influenced by how you're raised.
U.S. Health and Human Services Secretary Kathleen Sebelius reiterated Tuesday that she won’t intervene in the “incredibly agonizing” case involving a 10-year-old Pennsylvania girl who is waiting for a lung transplant, telling members of Congress that medical experts should make those decisions.
One of the first provisions of the 2010 health reform law has had its intended effect: shifting costs from hospitals, taxpayers and families to health insurance companies, researchers reported on Thursday. It’s one of the most popular aspects of the law.
People may realize that fast food isn’t health food, but they don’t realize just how fattening it really is, researchers report. They surveyed people eating at 10 burger, chicken, sandwich and doughnut chains and found they greatly underestimated just how much they were chowing down.
A new line of caffeinated chewing gum is causing jitters among health advocates and prompting federal officials to take a new look at the proliferation of jolt-infused foods, including those marketed to children and teens.