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Revealed: Genes that drive you to drink!

india Updated: Oct 27, 2009 17:24 IST

PTI
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Your genetic make up may predispose you to drink more but may not increase your genetic risk for alcohol dependence, a new study has revealed.

In their study, researchers at University of Colorado have pinpointed genetic pathways and the genes associated with levels of alcohol consumption, but not with alcohol dependence in rats and humans, the 'BMC Biology' journal reported.

The researchers used rats to identify the genetic pathways affecting alcohol drinking behaviour. They found that the drinking behaviour of the animals was linked to pleasure and reward pathways in the brain and to some of same genetic systems that control satiety and appetite for food.

Next, they directly compared genes involved in these alcohol-associated pathways in rats with the human versions of these genes in two male study groups from Montreal and Sydney to identify common genetic factors linked to alcohol use across species.

The findings showed that genes identified as contributors to drinking behaviour in the tested populations were not the same as genes found to predispose to alcohol dependence.