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.
The U.S. Food and Drug Administration has approved a naloxone nasal spray for over-the-counter use.
Opioids account for a greater proportion of fatal pediatric poisonings than they did a decade ago.
Called xylazine, the drug is a sedative used in veterinary medicine, and is not approved for use in humans.
The U.S. has also been facing another deadly, but less visible, public health crisis.
Mounting research suggests that the average person doesn't actually reach a euphoric state after taking opioids.
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.
Myths about mere exposure to the drug don't match with what doctors know about opioid toxicity.
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