Opioids
Latest about opioids

Nonaddictive Opioid Alternative Shows Promise in Monkey Study
By Kimberly Hickok published
Finding a painkiller as effective as opioids but without the potential for addiction is a challenge, but there's a promising newcomer on the scene.

How Ketamine Treats Depression: It Acts Like an Opioid, Study Suggests
By Rachael Rettner published
The study shows for the first time that ketamine needs to activate opioid receptors in order to have antidepressant effects.

CDC Chief Says Son Nearly Died from Cocaine Laced with Fentanyl
By Jeanna Bryner published
The director of the largest U.S. public health agency reveals he has a personal reason for fighting the opioid epidemic.

Little Kids Are Accidentally Taking an Opioid That's Meant to Treat Addiction
By Yasemin Saplakoglu published
Parents might not be storing these dangerous pills properly, a new study finds.

Could Marijuana Use Make Injuries More Painful?
By Rachael Rettner published
Marijuana use may affect how much pain people feel and the dose of painkillers they need following traumatic injury.

One-Third of New Heroin Users Become Dependent on It
By Nidhi Sharma published
Every day, an estimated 300 to 520 people in the U.S. try heroin. But how many develop a dependency?

Seattle Mussels Test Positive for Opioids
By Sara G. Miller published
Why are scientists searching for drugs in shellfish?

This Is Your Brain on Drugs (Really)
By Stephanie Pappas published
Readers of a certain age will know the reference.
Sign up for the Live Science daily newsletter now
Get the world’s most fascinating discoveries delivered straight to your inbox.