In the study by Li et al. [128], the aim was to examine the association between the average consumption of alcohol with the incidence of T2DM or with a condition of dysglycemia and to note associations with the polymorphism of the genes coding for aldehyde dehydrogenase (ALDH2) and alcohol dehydrogenase (ADH1B). The gene discussed is ADH1B; the disease is type 2 diabetes mellitus.