Clues looking into the root causes of alcoholism are emerging from new findings that center on the genetic patterns of young drinkers, with particular focus on why adolescents are more likely to drink large quantities of alcohol even if they need more alcohol to get the effects they desire.
"The study offers a unique perspective on the beginnings of the alcohol experience and usage patterns of 12-year-olds," explained principal investigator Marc Schuckit, M.D., professor of psychiatry at the Veterans Affairs San Diego Healthcare System. "This is the first study correlating the intensity of reaction to alcohol with the amount of alcohol consumed at an early age."
Dr. Schuckit, who also is distinguished professor of psychiatry at the University of California, San Diego Medical School, spoke today at the American Medical Association media briefing, Alcohol Dependence: From Science to Solutions, held in New York City. He also released his study "Performance of a self-reported measure of the level of response to alcohol in 12- to 13-year-olds" published in the July issue of The Journal of Studies on Alcohol.
Marc Schuckit, M.D. | EurekAlert!
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Novel highly efficient and brilliant gamma-ray source: Based on model calculations, physicists of the Max PIanck Institute for Nuclear Physics in Heidelberg propose a novel method for an efficient high-brilliance gamma-ray source. A giant collimated gamma-ray pulse is generated from the interaction of a dense ultra-relativistic electron beam with a thin solid conductor. Energetic gamma-rays are copiously produced as the electron beam splits into filaments while propagating across the conductor. The resulting gamma-ray energy and flux enable novel experiments in nuclear and fundamental physics.
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Stable joint cartilage can be produced from adult stem cells originating from bone marrow. This is made possible by inducing specific molecular processes occurring during embryonic cartilage formation, as researchers from the University and University Hospital of Basel report in the scientific journal PNAS.
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In the fight against cancer, scientists are developing new drugs to hit tumor cells at so far unused weak points. Such a “sore spot” is the protein complex...
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