Previous research suggests the relevance of in-utero insults and early-life circumstances for a wide array of life cycle outcomes. This research note joins this strand of studies by exploring the long-run mortality effects of in-utero and early-life exposure to alcohol accessibility. In so doing, we take advantage of the prohibition movement during the early part of the twentieth century that generated quasi-natural reductions in alcohol
consumption. We use Social Security Administration Death Master Files linked to the fullcount 1940 census and compare the longevity of individuals exposed to the prohibition during in-utero and early-life (1900-1930) as a result of statewide and federal alcohol ban to those born in wet counties after the law change to before. The results suggest an intention-to-treat effect of 0.17 years higher longevity as a result of prohibition. A backof-an-envelope calculation suggests a minimum treatment-on-treated effect of 1.7 years impact. Furthermore, we show that these effects are not driven by other county-level demographic and socioeconomic changes, endogenous selection of births, and preexisting trends in the outcome. Our findings contribute to the growing body of research that explores the in-utero and childhood circumstances on long-term health outcomes.