Some studies suggest that genes influence anxiety disorders by regulating brain levels of neurotransmitters,including ________,which influences sleep,mood,and attending to threat.

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Serotonin is a neurotransmitter that regulates sleep, mood, and attention to threat, and it has been associated with anxiety disorders. Some studies suggest that genes can influence the levels of serotonin in the brain, which in turn can contribute to the development of anxiety disorders.

Some Studies Suggest That Genes Influence Anxiety Disorders by Regulating