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Increases in the number of these spines can reflect learning. But in the case of addiction, that may involve learning to connect a place or a person with the desire for more drugs. Maze showed that even after a week of abstinence, mice given a new dose of cocaine still had elevated levels of gene activation in the nucleus accumbens, meaning G9a levels were still low. It is not known how long these changes can last. Maze also showed that when he intervened and raised G9a levels, the mice were less attracted to cocaine...

Author: /time Magazine | Title: How Cocaine Scrambles Genes in the Brain | 1/8/2010 | See Source »

...subject of the 2005 study, helps people consider the pros and cons of continuing to drink in their current pattern. Reid Hester, director of research at Behavior Therapy Associates in Albuquerque, N.M., and one of the authors of the study, says he suspects that these additional elements may have accounted for the better results his site got. His study also included people with more severe problems, some of whom may have been more motivated to change...

Author: /time Magazine | Title: Problem Drinkers Finding More Help Online | 1/8/2010 | See Source »

...resolve to stop drinking in 2010 - or even to just cut back a bit? One place to spend some of the time you don't plan to be spending in bars may be the Internet. A new study adds to a growing body of literature suggesting that free online drinker-checkup programs can have powerful effects on reducing alcohol-related problems...

Author: /time Magazine | Title: Problem Drinkers Finding More Help Online | 1/8/2010 | See Source »

...website is not for everyone, of course. For those whose problem is so serious that quitting entirely is the only safe route, more intensive treatment - often maintained indefinitely - may be needed. Still, for people on the borderline who don't want to find themselves in that danger zone in a few years, a little Web-based self-awareness may make a very big difference...

Author: /time Magazine | Title: Problem Drinkers Finding More Help Online | 1/8/2010 | See Source »

...team of Harvard researchers have recently developed a novel way to pinpoint, with greater accuracy than ever before, genetic mutations that drive evolution—and the new method of examining natural selection’s footprint may have tremendous implications for biomedicine and studies of human evolutionary history...

Author: By Helen X. Yang, CRIMSON STAFF WRITER | Title: Harvard Researchers Use Innovative Method to Follow Genetic Footprint | 1/8/2010 | See Source »

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