Psychology & Psychiatry

Recovery of dopamine function emerges with recovery from smoking

A new study in Biological Psychiatry reports that smoking-related deficits in brain dopamine, a chemical implicated in reward and addiction, return to normal three months after quitting. The normalization of dopamine systems ...

Addiction

Small changes in DNA can affect nicotine consumption

Nicotine is an addictive substance and genetic factors are known to play a role in smoking behaviors. Recently, a team of researchers at Penn State and the University of Colorado determined how small differences in a particular ...

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