Addiction

Study: Marijuana top illegal drug used worldwide

Marijuana is the most popular illegal drug used worldwide, but addictions to popular painkillers like Vicodin, Oxycontin and codeine kill the most people, according to the first-ever global survey of illicit drug abuse.

Medical research

New research finds cause of morphine side effects

A University of Colorado Boulder-led research team has discovered that two protein receptors in the central nervous system team up to respond to morphine and cause unwanted neuroinflammation, a finding with implications for ...

Medications

US panel opposes pure hydrocodone painkiller

(AP)—U.S. government health experts overwhelmingly voted against a stronger version of hydrocodone on Friday, questioning the need for a new form of one of most widely abused prescription painkillers.

Neuroscience

Scientists discover a novel opiate addiction switch in the brain

Neuroscientists at Western University (London, Canada) have made a remarkable new discovery revealing the underlying molecular process by which opiate addiction develops in the brain. Opiate addiction is largely controlled ...

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