Researchers found that the oxybenzone in just a single drop of sunscreen can wreak havoc on fragile coral reef systems. Reefs all over the world are at risk.
NPR's Audie Cornish talks with Kenny Lin, associate professor of family medicine at Georgetown University School of Medicine, about what the new mammogram guidelines mean on an individual level.
The chain says it will shift to buying only meat from animals that weren't fed antibiotics. It's set to serve antibiotic-free poultry by the end of next year, but beef and pork may take until 2025.
The American Cancer Society says new research supports changing the age at which most women should start getting yearly mammograms. But the group's latest advice still conflicts with other guidance.
The four major advice-givers can't agree on when to start or how long to continue. That leaves women understandably confused. And that doesn't make it easy to decide.
But the kid has to have a plan. That's the lesson from a study of rural Chinese children whose parents have left the village to work in faraway cities.
For years, it's been saying women should get annual mammograms starting at age 40. Now it says they can start at 45 — and then cut back to every other year starting at age 54.
Humans are pathetic at athletic feats compared to animals. We get outrun by ostriches and outswum by penguins. But human physiology makes us aces at one sport: endurance running. Sorry, horse.
A new experimental drug is designed to slow down Alzheimer's by protecting brain cells from toxins associated with the disease. That's a different approach from other Alzheimer's drugs, which have tried to eliminate those toxins.