Our results have shown that there is no significant association between the risk of alcoholism and NPY rs16139 variant in allelic (OR = 0.98, 95% CI 0.70–1.38, p = 0.921) and dominant models (OR = 0.98, 95% CI 0.69–1.40, p = 0.919) (Figure 2). Here, NPY is linked to alcohol dependence.