Twin Study Reveals Long-Term Problematic Alcohol Use Risks

PROBLEMATIC alcohol use trajectories may forecast midlife health, relationships, depression and family outcomes, twin data suggest.

Problematic Alcohol Use Patterns Carry Lasting Signals

A longitudinal twin study found that problematic alcohol use followed distinct paths from adolescence to early midlife, with persistent use linked to the broadest adverse clinical and psychosocial profile. The study included 1,463 twin individuals from a population based cohort, assessed at ages 14, 22, and 37 for alcohol use disorder symptoms, alcohol problem scores, and self reported well being.

Participants were grouped as never experiencing problematic alcohol use, remitted, persistent, or late onset. Never problematic alcohol use was the largest group, but most participants had experienced problematic alcohol use at some point across follow up. Persistent problematic alcohol use affected 18.5%, late onset use 7.7%, and remitted use 32.8%.

Genetic And Environmental Risk Differed By Course

Childhood and adolescent risk factors were summarized in a behavioral and environmental risk index, incorporating socioeconomic status, family history of alcohol use disorder, childhood externalizing and internalizing behaviors, early substance use, peer substance use, and stressful life events. Genetic predisposition was assessed with polygenic scores for externalizing behavior, problematic alcohol use, and depression.

Both behavioral and environmental risk and externalizing polygenic score were associated with remitted problematic alcohol use. Behavioral and environmental risk and alcohol specific polygenic score were associated with persistent problematic alcohol use. Late onset problematic alcohol use was not associated with earlier environmental or genetic risk in the combined model, suggesting adulthood stressors may contribute to onset in some patients.

Persistent Use Showed The Broadest Burden

Compared with participants who never had problematic alcohol use, those with persistent or late onset patterns reported poorer physical health, lower life satisfaction, more depressive symptoms, and lower likelihood of parenthood. Persistent problematic alcohol use was also associated with poorer financial situation, lower educational attainment, lower relationship consensus, recurrent sleep problems, and lower likelihood of partnership.

Remitted problematic alcohol use showed a more encouraging pattern. Compared with persistent use, remission was associated with higher educational attainment, greater life satisfaction, fewer depressive symptoms, and higher odds of being partnered or being a parent.

For clinicians, the findings reinforce the importance of viewing alcohol related symptoms longitudinally. Persistent problematic alcohol use may identify patients at risk for cumulative functional impairment, while remission by early midlife may coincide with resilience despite earlier genetic and environmental risk.

Reference
Cooke ME et al. Patterns, predictors, and correlates of problematic alcohol use and remission from adolescence to early midlife. Alcohol Clin Exp Res. 2026;50:e70365.

Featured Image: Davide Angelini on Adobe Stock.