Democrats plowed fresh billions into insurance subsidies for consumers on Thursday and added a $250 rebate for seniors facing high prescription drugs, last-minute sweeteners to sweeping $940 billion legislation headed for a climactic weekend vote.

Pro-social behavior results from a change in social norms that allowed us to trust strangers, a new study suggests.

Extreme obesity among American children is much worse than previously believed, putting them at greater risk of serious health problems as they age, U.S. researchers said on Thursday.

Federal health advisers say an electronic heart implant should be approved for millions of new heart-disease patients who currently aren't eligible for the device.

Condoms might be the only thing porn actors are required to wear if the state's workplace safety board approves a petition mandating their use.

In some cases, financial institutions and other recipients got doses before some county health departments and doctors’ offices.

A Northern California woman unexpectedly went into labor at her home in Fremont and was forced to turn to Jabari, 9, and Faith, 11, after giving birth while standing in her bathroom.

U.S. health officials on Thursday sought to clamp down on the marketing of cigarettes to children and teenagers after a failed attempt more than a decade ago.

Today is Match Day, when graduating medical students nationwide are finding out where they'll be doing their residencies. And it's an encouraging day for family medicine, because 1,169 of this year’s American graduates have chosen to go into that field, a 9 percent rise from last year.

Multiple drug-resistant tuberculosis killed 150,000 people in 2008 and infects between 400,000 and 500,000 people globally, according to World Health Organization estimates.

Dads are helping out with childrearing more and more these days. The result can be both a boon and a letdown for super-moms, whose self-competence can take a hit when paired with husbands who are savvy caregivers, new research finds.

Studying genes linked to breast cancer may someday lead to better treatments, but they do little to improve a doctor's ability to predict who is likely to develop a tumor, researchers reported.

Novartis AG and Astellas Pharma eczema drugs may need their warning labels expanded after dozens of new reported cases of cancer and infection in children, U.S. Food and Drug Administration staff said in documents released on Thursday.

The government announced a recall of some 1.2 million high chairs, saying they posed a fall hazard to children.

If you feel like you're sneezing more this allergy season, you're probably right. Thanks to global warming, this could be your stuffiest year yet — and it's getting worse.