Elin Nordegren Woods and the myth of the angry black woman.

Vaccination does more than protect against flu. Study after study shows that keeping children safe from viruses has long-lasting, positive health benefits.

Separated at birth, twin sisters born in China never doubted that they were somehow part of a pair. Four years, two continents, and a high-speed Internet connection later, they finally met their match.

What was once an American crisis is now a national afterthought. But there may be new life in the AIDS movement.

Sudhir Paul's research could be revolutionary—or it could be a waste of time and researchers. Why a group of nonscientists has decided to bet on his out-there ideas.

Widely considered a jewel of U.S. foreign policy, the AIDS-treatment program is about to provide less money and oversight to the developing world—and that's a good thing.

China's Health Ministry is finally ready to fight AIDS. That alone won't be good enough.

Will pro-choice Democrats kill health-care reform? Probably not—and that's a good thing.

Cleveland Clinic is both highly effective and fiercely efficient. So why are its methods so rare?

Why many American women are resolutely rejecting the new mammogram recommendations, despite mixed reaction in the medical community.

Abortion-rights activists were not caught unaware on the anti-abortion-funding amendment to the House health-care bill, and they are likely to stop it in the Senate.

Influenza is a common virus with a long history. Then why do we know so little about it?

A victim of the Fort Hood shooting speaks about his experience, his fallen friends, and the desire to serve his country in Afghanistan.

Don't let abortion politics stand in the way of affordable coverage for all.

McAllen, Texas, famous for overspending on health care, is now the allergy capital of America. But is it due to illness or inefficiency?

America's most-maligned dog wants to be sweet and docile, but well-meaning humans mess it all up.

A brief history of sex ed in America.

It's been a mainstay of sex ed for more than a decade. Now, as the Obama administration cuts off federal funding, the movement scrambles for money, determined to continue its mission.