ALDH2 associated_with Japanese

ALDH2*2 was much less common among other Asian ethnicities ... than in Chinese, Japanese, and Korean samples

identified studies that reported prevalence rates of the various ALDH2 ... genotypes in general samples of the different ethnic groups.

approximately half of ... Japanese samples ... carry at least one ALDH2*2 allele

66 percent of the participants possessed at least one ALDH2*2 allele in a small Japanese study