The worm infects 740 million people and causes anemia and loss of protein. A vaccine is in the works. And some brave souls are testing it out by ... getting infected with hookworm.
Scientists assume a wave of people from what's now Siberia crossed into North America via Alaska, maybe 23,000 years ago. Genetics support that, but may also suggest another wave from Australasia.
The health agency says kissing and cuddling chickens could be contributing to outbreaks of salmonella. But backyard chicken owners aren't about to lay off the birds.
A new report says an estimated half a million American girls are at risk. The U.S. and other developed countries can learn from efforts in Africa to eliminate the practice.
Antibiotics save lives, but we rely on them too much. Eventually, the drugs may stop working. Economist Ramanan Laxminarayan asks us to think twice before reaching for this double-edged resource.
Scientists have had a hard time finding the weak spots of Cryptosporidium parvum, but now that's changing. It's not a common killer in the U.S., but it's a different story in the developing world.
The British medical system says healthy women with normal pregnancies should give birth at home or in a midwife-led facility. But 99 percent of babies in the U.S. are born in hospitals.
One Direction is one of many supporters of today's "global day of action," when citizens will make demands of their leaders. The goal: to send a message to the Financing for Development summit.