Opioids

Overdose deaths from the opioid painkiller fentanyl — the same drug that killed the musician Prince — have increased sharply in a number of U.S. states.

New research in rats has found that morphine can increase pain for months after the opioid has left the body.

There are a number of ways that prescription opioids can be lethal.

If you're wondering why prescription drugs containing opioids are so addictive, just ask Grammy Award-winning artist Macklemore.

Some people are taking extremely large doses of the anti-diarrhea medication Imodium in an attempt to get high.

Does friendship help you feel no pain?

Overdoses involving benzodiazepines are "a public health problem that has gone under the radar," a researchers says.

People who use opioid medicines for pain may face a higher risk of depression, a new study finds.

Abuse of prescription opioid painkillers is the strongest risk factor for heroin use — people addicted to opioids are 40 times more likely to abuse heroin, according to a new report.