A meta‐analysis of 31 case‐control studies involving 8510 cases showed that the ORs of oesophageal cancer comparing ALDH2‐rs671 AG vs GG genotype increased from 1.21 (0.95‐1.73) in non‐/rare drinkers to 3.79 (3.05‐4.72) in light drinkers and 6.50 (5.34‐7.92) in heavy drinkers.12 The gene discussed is ALDH2; the disease is carcinoma of esophagus.