Tag: drd2

SNPwatch: Evidence for Gene-Environment Interaction in Alcoholism

Addiction to alcohol is associated with the brain’s reward system, which reinforces behaviors that feel good — like drinking — by releasing neurotransmitters such as dopamine and endorphins. With prolonged alcohol consumption, a person's brain can gradually adapt to the point that excessive amounts of ...

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DNA Variation May Help Us Break Free From Our Routines

"But we always go there!" And so begins another Friday night.  When it comes to choosing where to go to dinner, my husband likes to stick with the tried and true. I like trying out new places. A new study suggests that the roots of this conflict could spring partly from our genes. It suggests that a DNA ...

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SNPwatch: Why You Gave Your Parents a Hard Time Growing Up

SNPwatch gives you the latest news about research linking various traits and conditions to individual genetic variations. These studies are exciting because they offer a glimpse into how genetics may affect our bodies and health; but in most cases, more work is needed before this research can provide ...

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