A gene known as DRD2 affects the brain's dopamine system and is known to be associated with aggressive behavior.
August 5, 2013 Mothers with the "sensitive" version of a gene became more likely to strike or scream at their children during the Great Recession, researchers say. But as a complete economic collapse became less likely, the moms relaxed. Those with the "insensitive" version didn't change their behavior.
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If you were a lab rat, you might already be thinking that you want another drink.
July 19, 2013 Smoking and drinking go together like, well, smoking and drinking. A study with rats sheds light on the brain chemistry behind why smokers seem to be more likely to drink, and sometimes to drink to excess.
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