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Adolescent alcohol exposure produces reductions in the volume of a specific brain area called the hippocampus, and reduces the formation of new nerve cells (See Ehlers et al.,. Neurosci. Aug 6, 244:1-15, 2013Ehlers et al. Alcohol. Clin. Exp. Res. 37(9) 1466-1475, 2013)

Overwhelming evidence for genetics as an important factor in the causes of substance dependence (See Ehlers CL, Gizer IR.. Am J of Psychiatry 170(2): 154-164, 2013)

Genetic basis of alpha brain wave pattern revealed (See Peng et al.,. Am J. Med Genet, 2017)

Genome-wide meta-analysis identifies seven novel susceptibility variants for nicotine dependence (See Yin et al., Am J Med Genet 2017)