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Contrary to earlier studies, new research suggests that omega-3 fatty acids may not stave off cognitive decline. We look at why this is hard to pin down — and examine the body of evidence that finds supplements may not be as effective as eating fish meals in protecting brain health.

As Republicans try to figure out how to defund President Obama's health care law, some members of the party are attacking Obamacare on other fronts, too. For example, one House committee is investigating groups that were contracted to educate people about how to enroll.

The showdown over the possible government shutdown is still going on, but already some House Republicans are thinking about the next big battle — over raising the government's debt limit. Here's a look at the list of things they want in exchange for preventing a debt default.

A U.S. official says the resolution calls for oversight of Syria's surrender of chemical weapons and calls for "consequences" if Bashar Assad fails to comply.

During a Senate Intelligence Committee hearing, NSA Director Gen. Keith Alexander would not say.

Tea Party backed senators Ted Cruz of Texas and Mike Lee of Utah got into a rhetorical fight with fellow Republican Sen. Bob Corker of Tennessee, who accused them of grandstanding.

People tend to throw whole pieces of paper in the recycling bin — and fragments of paper in the trash. Research on the trend finds that we may be acting on unconscious prejudice about what is worth recycling.

Leading Texas politicians have resisted the federal health care law. But in Houston, community groups and public health agencies are trying to educate the city's 800,000 uninsured residents about new coverage options.

Josh Lampert's parents helped him through a rough period and, in his opinion, saved his life. "You do that for your kids," says his father, Chuck.

Los Angeles Unified School District started issuing iPads to its students this school year, as part of a $30 million deal with Apple. But less than a week after getting their iPads, hundreds of students had found a way to bypass software blocks meant to limit what websites the students can use.