Medical research

Scientists develop new tool to study nicotine receptors

A team of scientists has developed a new technique to better understand the effects of nicotine on the brain. In a study published in Nature Methods, the investigators described the creation of a novel light-activated nicotine ...

Health

Tanning's allure tied to other addictions

(HealthDay)—People who seem to have a deep tan year-round—whether from the sun or indoor tanning—may be "addicted" to tanning. And new research suggests there's also a link between such tanning and other addictions.

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 ...

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