WASHINGTON (AP) -- Doctors treating Secretary of State Hillary Rodham Clinton for a blood clot in her head said blood thinners are being used to dissolve the clot and they are confident she will make a full recovery.

(Associated Press) -- This is your brain on sugar -- for real. Scientists have used imaging tests to show for the first time that fructose, a sugar that saturates the American diet, can trigger brain changes that may lead to overeating.

(Associated Press) -- Young cancer patients who couldn't get a key medicine because of a national drug shortage were more likely to suffer a relapse than others who were able to get the preferred treatment, doctors report. It's the first evidence that a long-standing drug-supply problem probably has affected cancer treatment results in specific patients.

LONDON (AP) -- Rock 'n' roll will never die -- but it's a hazardous occupation.

(USA TODAY) -- The nation's most elite fighting forces -- celebrated this year in film and best-selling books -- are under more emotional strain after a decade of war than commanders realized, according to the senior non-commissioned officer for special operations.

WASHINGTON (AP) -- Teenagers' perception of the dangers of marijuana has fallen to the lowest level in more than 20 years, a new study says, prompting federal researchers to warn that already high use of the drug could increase as more states move to legalize it.

WASHINGTON (AP) -- They might not want to talk about the gunshots or the screams. But their toys might start getting into imaginary shootouts.

WASHINGTON (Canadian Press) -- Some U.S. Republicans now say they're willing to discuss the politically treacherous issue of gun control, along with mental health issues and violent video games, while formerly pro-gun Senate Majority Leader Harry Reid, a Democrat, says it's time to place gun control on the table in the wake of last week's Connecticut school shooting.

ISLAMABAD (Deutsche Presse-Agentur) -- Authorities suspended a polio immunization campaign Tuesday after six Pakistani health workers were shot dead, officials said.

LONDON (AP) -- Nearly everywhere around the world, people are living longer and fewer children are dying. But increasingly, people are grappling with the diseases and disabilities of modern life, according to the most expansive global look so far at life expectancy and the biggest health threats.

NEW YORK (AP) -- Flu season in the U.S. is off to its earliest start in nearly a decade -- and it could be a bad one.