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Mayo Clinic Proceedings study finds little variance in survival

A Mayo Clinic Proceedings study found that overall mortality is not increased among community patients with anorexia nervosa. However, deaths do occur, and further research is needed to define the association of suicide and alcoholism in these patients. The study adds to the knowledge of anorexia nervosa's long-term consequences.

SourceMayo Clinic·JournalMayo Clinic Proceedings·DateMar 11, 2003

Brain's response to addictive drugs, stress

Researchers have found that addictive drugs, such as cocaine, morphine, and amphetamines, increase the sensitivity of dopamine-producing neurons in the brain. Stress triggers a similar response, which may lead to addiction. The study's findings could help develop new treatments for addiction.

SourceStanford Medicine·JournalNeuron·DateFeb 19, 2003

Alcohol tolerance associated with family history

Researchers found that individuals with a family history of alcoholism reported greater feelings of intoxication initially, but quickly adapted and developed acute tolerance to alcohol. This suggests that genetic factors may contribute to the development of tolerance, potentially increasing drinking habits in those with a family history.

Alcohol researchers find genetic locus of human brain wave

Scientists have identified a specific genetic locus associated with fundamental human brain oscillations, contributing to the understanding of brain neuroelectric activity and providing new insights into alcoholism risk. The study found an association between beta EEG frequencies and a cluster of genes located on chromosome 4.

SourceNIH/National Institute on Alcohol Abuse and Alcoholism·JournalProceedings of the National Academy of Sciences·DateMar 12, 2002