Health

For a little while longer you'll still be able to buy suncreen labeled as waterproof or with a sun protection factor of 100.

Almost a year ago, the Food and Drug Administration proposed a slew of new rules to make the labels of sunscreens more helpful — and realistic. Sunscreen that says it's waterproof or has an SPF greater than 50 was supposed to be verboten by next month.

When writer Florence Williams was nursing her second child, she read a research study about toxins found in human breast milk. She decided to test her own breast milk and shipped a sample to a lab in Germany.

What came back surprised her.

Trace amounts of pesticides, dioxin and a jet fuel ingredient — as well as high to average levels of flame retardants — were all found in her breast milk. How could something like this happen?

A proposed study of people in northern Pennsylvania could help resolve a national debate about whether the natural gas boom is making people sick.

The study would look at detailed health histories on hundreds of thousands of people who live near the Marcellus Shale, a rock formation in which energy companies have already drilled about 5,000 natural gas wells.

If the study goes forward, it would be the first large-scale, scientifically rigorous assessment of the health effects of gas production.

Secret Weapon: A Very Large Database

The shortage of organs for transplant continues to grow, despite years of work to get more donors on board.

Facebook jumped in this month by making organ-donation status something you could add to your profile. And the social media giant made it easy to connect with a registry to sign up as a donor.

Federal law bans payments for organs. But given the need, we wondered what Americans thought about compensation for three kinds of donations that can be made while people are alive: kidneys, bone marrow and a portion of liver big enough to help someone whose liver is failing.

U.S. government spending to fight HIV/AIDS in developing countries is also preventing death from other diseases, a new study finds.

Some experts worry the billions of dollars the United States spends to treat people with HIV in poor countries may crowd out prevention and treatment of other illnesses.

But the findings of a study just published in JAMA, the Journal of the American Medical Association, suggest the opposite. The analysis indicates the President's Emergency Plan for AIDS Relief, or PEPFAR, has had substantial spillover benefits.