Health

The Food and Drug Administration has issued sweeping regulations that for the first time assert federal authority over electronic cigarettes, which have become increasingly popular, especially among young people.

A year ago, NPR's Kelly McEvers went to rural Indiana and talked with drug addicts at the center of an opioid and HIV epidemic. She returned and found Joy, a nurse who lost everything.

The Centers for Disease Control and Prevention announced a listeria outbreak earlier this week that has sickened eight people. Frozen fruits and vegetables are believed to be the cause. Now, there's a massive recall of frozen products. To minimize risk, experts say to microwave or cook frozen produce to kill potential pathogens.

Scientists have been able to keep human embryos alive twice as long as before. The technique is reopening a debate over a rule limiting research on human embryos to 14 days.