Neuroscience

Study identifies peptide as key mediator in heavy alcohol drinking

Alcohol is the most common addictive substance in the world. Every year in the U.S. excessive alcohol use costs $249 billion and causes approximately 88,000 deaths, as well as various chronic diseases and social issues. Alcohol ...

Psychology & Psychiatry

Brain tissue yields clues to causes of PTSD

A post-mortem analysis of brain tissue from people who had been diagnosed with post-traumatic stress disorder (PTSD) may help explain enduring mysteries about the disorder, such as why women are more susceptible to it and ...

Psychology & Psychiatry

Immune protein may drive alcoholism relapse

The anxiety that occurs during withdrawal from excessive alcohol use, and contributes to relapse, may be driven in part by the release of an immune protein in the brain, according to a new study from scientists at Scripps ...

Psychology & Psychiatry

Survivors of trauma struggle to move on from the loss of loved ones

Among individuals who survive a trauma that resulted in the loss of a close friend or loved one, symptoms of post-traumatic stress disorder can predict complicated grief—a sense of persistent sadness and an inability to ...

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