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Researchers say a specific gene might make parents more likely to abuse their children during tough times, according to a study published Monday in Proceedings of the National Academy of Sciences. The DRD2 Taq1A gene, called the “orchid/dandelion gene” by researchers who study it, is a “sensitive” one, meaning that its effects are driven by the environment. The gene controls the release of dopamine, a hormone that regulates behavior in the brain and is often associated with cocaine and other drug use.
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