Mounting research suggests that the average person doesn't actually reach a euphoric state after taking opioids.
Opioids are powerful painkillers derived from either the opium poppy or synthetic versions of it. These highly addictive substances have spurned an epidemic in the United States. Here's the latest news on the science of opioids, who they impact and possible treatments.
Half a dozen cancer patients in New York developed a rare infection after they received injectable opioids that a nurse had diluted with tap water, according to a new report.
A small study suggests that the marijuana compound cannabidiol (CBD) may reduce cravings in those with heroin addiction.
A nurse in Washington state likely infected at least a dozen patients with hepatitis C after she used injectable drugs that were meant for patients.
Opium-addicted parrots are "wreaking havoc" on India's licensed poppy farms, and scaring them with firecrackers isn't helping.
A serious birth defect is on the rise in the United States, and a new report suggests it may be linked to opioid use.
Drug overdose death rates in women in the United States have increased by 260 percent in the past two decades, according to a new report.
Nine people in San Diego developed a rare but serious illness called wound botulism after using black tar heroin.
Not only do prescription opioid drugs come with a risk of addiction and overdose, but they also appear to provide little benefit for patients with chronic pain
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.
The study shows for the first time that ketamine needs to activate opioid receptors in order to have antidepressant effects.
The director of the largest U.S. public health agency reveals he has a personal reason for fighting the opioid epidemic.
Marijuana use may affect how much pain people feel and the dose of painkillers they need following traumatic injury.
Every day, an estimated 300 to 520 people in the U.S. try heroin. But how many develop a dependency?
Lives tragically claimed by the American opioid epidemic may benefit people desperately in need of organ transplants.