Psychology & Psychiatry

Nucleus accumbens recruited by cocaine, sugar are different

Nucleus accumbens in the brain play a central role in the risk-reward circuit. Their operation is based chiefly on three essential neurotransmitters: dopamine, which promotes desire; serotonin, whose effects include satiety ...

Dentistry

Excessive soda can mimic illicit drug use effects on teeth

(HealthDay)—Manifestation of dental erosion caused by illicit drug use or excessive soda consumption needs to be distinguished from dental caries, according to case studies published in the March/April issue of General ...

Psychology & Psychiatry

Addiction: Can you ever really completely leave it behind?

It is often said that once people develop an addiction, they can never completely eliminate their attraction to the abused substance. New findings provide further support for this notion by suggesting that even long-term ...

Psychology & Psychiatry

Coke addicts prefer money in hand to snowy future

When a research team asked cocaine addicts to choose, hypothetically, between money now or cocaine of greater value later, "preference was almost exclusively for the money now," said Warren K., Bickel, professor in the Virginia ...

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