Texting while driving, speeding and back-seat hanky-panky aren't all that parents need to worry about when their kids are in cars: Add secondhand smoke to the list.

Sex education is failing to reduce adolescent birthrates in conservative states, according to a new study. Perhaps paradoxically, states with a majority conservative population and higher degree of religiosity tend to have higher teen birthrates.

Miss Chen stares curiously at the iPad. Even though she works overtime in a factory in southwestern China that manufactures them, she's never seen the finished product.

Bird flu research is on hold after the creation of dangerous viruses in the lab, and important studies will be only partly published. What's going on?

A 9-year-old Maine girl is home from a Boston hospital healthy, active and with high hopes — and a new stomach, liver, spleen, small intestine, pancreas, and part of an esophagus to replace the ones that were being choked by a huge tumor.

The Susan G. Komen for the Cure's move to end funding for Planned Parenthood affiliates elicits criticism and a fundraising drive to replace the lost money. Komen officials defend the decision.He won't be sporting that pink tie anymore.

Pfizer said on Tuesday it was recalling about a million packets of birth control pills in the United States because they may not contain enough contraceptive to prevent pregnancy.

A new report highlights advancements in recycling technology and predicts growth in treatment programs, if people can get beyond ick factor.

Bloomberg recently ran a piece called "The Real Cost of Being a Video Gamer" and the price tag seems a bit high.

Last year it looked like stricter controls would be put in place to limit workers' exposure to dangerous silica dust. But for almost a year, the proposed regulations have been stalled at the White House Office of Management and Budget. Worker safety advocates are growing frustrated, but industry stakeholders say current regulations are sufficient.

A small, but growing trend of women in the US are choosing home births, a new government report finds. These mostly over 35, non-Hispanic white women are "consciously rejecting the system" of hospital deliveries, says the researcher.

You know "that guy," the one who still goes to work and sees friends even when he's sick? Anna Post of the Emily Post Institute has some tips for him. Find out the "do's" and "don't" of being sick.

The Bill & Melinda Gates Foundation will inject $750 million into the Global Fund to Fight AIDS, Tuberculosis and Malaria, Microsoft co-founder Bill Gates announced Thursday at the World Economic Forum.

In the heated debate about two labs that engineered a variant of the deadly H5N1 avian flu virus that for the first time easily transmits between mammals, one critical voice has been missing: Yoshihiro Kawaoka.

Urging Californians to remain vigilant, officials announce that the state recorded no deaths in 2011 for the first time in two decades. Cases also fell sharply from 2010. Facing an epidemic of whooping cough that led to the deaths of 10 infants in 2010, California public health officials launched a massive vaccination effort and public awareness campaign about the disease.