Addiction

Heroin, amphetamines head list of problem drugs

Heroin accounted for more than half of the 78,000 deaths from illegal drugs in 2010, but amphetamine had most addicts, researchers reported in The Lancet on Wednesday.

Health

Increased computer use by adolescents cause for concern

Researchers at Queen's University have found a strong association between computer and Internet use in adolescents and engagement in multiple-risk behaviours (MRB), including illicit drug use, drunkenness and unprotected ...

Psychology & Psychiatry

Researchers map how the brain regulates emotions

Ever want to scream during a particularly bad day, but then manage not to? Thank the human brain and how it regulates emotions, which can be critical for navigating everyday life. As we perceive events unfolding around us, ...

Neuroscience

Unraveling the brain's reward circuits

To some, a chocolate cake may spark a shot of pleasure typically associated with illicit drugs. A new study by Penn biologists offers some insights into that link, revealing new information about how the brain responds to ...

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