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.

Neuroscience

Is the key to consciousness in the claustrum?

Consciousness is one of the most fascinating and elusive phenomena we humans face. Every single one of us experiences it but it remains surprisingly poorly understood.

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 ...

Medical research

Opiates' side effects rooted in patients' genetics, study shows

Genetics play a significant role in determining which patients will suffer the most from the disturbing side effects of opiates, commonly prescribed painkillers for severe to moderate pain, according to a new Stanford University ...

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