Neuroscience

Researchers test meth-addicted rats in a rodent casino

(Medical Xpress)—The altered decision-making patterns associated with neuropsychiatric disorders such as substance addiction are well documented, but it is unclear whether this dysfunction is the result of preexisting conditions ...

Psychology & Psychiatry

New research on antidepressant addiction and withdrawal

A study of more than 1800 New Zealanders has found a significant number of people on antidepressants believe the drugs are addictive and more than half report experiencing withdrawal symptoms.

Overweight & Obesity

Highly processed foods linked to addictive eating

A new University of Michigan study confirms what has long been suspected: highly processed foods like chocolate, pizza and French fries are among the most addictive.

Neuroscience

Cocaine relapse is reversed with BDNF microinjections in the brain

Cocaine relapse was significantly reduced in a preclinical model when brain-derived neurotropic factor (BDNF) was applied to the nucleus accumbens deep in the brain immediately before cocaine-seeking behavior, report investigators ...

Psychology & Psychiatry

A gene involved in ADHD could be related to addictive substance use

Some variations in the gene LPHN3, associated with attention deficit/hyperactivity disorder (ADHD) in children and adults, could favour the likelihood to smoke, consume alcohol, cannabis and other addictive substances, according ...

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