Sensitivity to alcohol odors may indicate a genetic predisposition to alcohol dependence

Prior research had found an association between DNA sequence variations in a gene that encodes parts of the brain's gamma-amino butyric acid (GABA)-A receptors (the GABRA2 gene) and alcohol dependence. New research has found that the GABRA2 genotype can also affect the brain's reward responses to cues such as alcohol odors.

Read the whole article on Science Daily

More from Science Daily