An eye exam may be the ticket to a longer life, researchers say, because good vision is essential for being able to shop, manage money and live independently. And maintaining independence in turn leads to a longer life.
Researchers have known for years that people who have vision problems as they get older are more likely to die than those who still see well. But they weren't sure why that was so.
British authorities are trying to identify the masked man who executed American photojournalist James Foley in a video that has caused massive global reaction.
The man — who appears wearing all black, holding a knife, and wearing a gun holster — speaks in an accent that linguists say sounds like someone from East or South London. The video yields other clues to the man's identity, such as his height and the fact that he's left-handed.
The Ebola virus has killed more than 1,300 people in West Africa, but the indirect deaths caused by this epidemic are likely to be far worse. Right now, it's the rainy season. And that means it's high season for malaria.
"Probably 85 percent of the fevers right now are malaria," says Laura Miller, health coordinator in Sierra Leone for the International Rescue Committee.
"But more of those cases will go untreated than usual."