A research study of 6,000 lifetime drinkers (dewitt et al., 2000) found that drinking at an early age (ages 11-14) :

A research study consisting of six thousand lifetime drinkers found that drinking alcoholic beverages at an early age can lead to future alcohol use disorders, which was found amongst the six thousand drinkers. Drinking as early as the ages of eleven to fourteen can be a predictive factor in the future in alcohol use disorder.