Alcoholic drink possibly fatal alcohol poisoning. As with all alcoholic drinks, drinking while driving, operating an aircraft or heavy machinery increases the risk of an accident; many countries have penalties against drunk driving. The main active ingredient of wine, beer and distilled spirits is alcohol. Drinking small quantities of alcohol (less than one drink in women and two in men per day) is associated with a decreased risk of heart disease, stroke, diabetes mellitus, and early death. Drinking more than this amount, however, increases the risk of heart disease, high blood pressure, atrial fibrillation, and stroke. The risk is greater in younger
Alcoholic drink benefits and risks of consuming alcohol in moderation." Alcoholic drinks are classified by the International Agency for Research on Cancer (IARC) as a Group 1 carcinogen (carcinogenic to humans). IARC classifies alcoholic drink consumption as a cause of female breast, colorectum, larynx, liver, esophagus, oral cavity, and pharynx cancers; and as a probable cause of pancreatic cancer. In the alcoholic drinks industry, congeners are substances produced during fermentation. These substances include small amounts of chemicals such as occasionally desired other alcohols, like propanol and 3-methyl-1-butanol, but also compounds that are never desired such as acetone, acetaldehyde and glycols. Congeners are