Teenagers downing over 10 beers in one night and high on pot were less likely to go to college, get full-time work or even get married, it said.
The findings showed that dependence on alcohol and marijuana might affect young boys more severely as they were more likely to achieve less across all four measures on achievement of life goals -- education, employment, marriage and social economic potential.
"This study found that chronic marijuana use in adolescence was negatively associated with achieving important developmental milestones in young adulthood," said lead author Elizabeth Harari, psychiatrist from the University of Connecticut.
Given the current move in the US toward marijuana legalisation for medicinal and possibly recreational use, awareness of marijuana's potentially deleterious effects will be important moving forward, Harari added.
The results were presented at the American Public Health Association 2017 Annual Meeting and Expo in Atlanta.
For the study, the team included 1,165 young adults from across the US whose habits were first assessed at age 12 and then at two-year intervals until they were between 25 and 34 years old.
Previous research had shown that heavy use of alcohol or marijuana in adolescence affects people developmentally.
This study followed up on that, to look at what happens after age 18, the researchers said.
(This story has not been edited by Social News XYZ staff and is auto-generated from a syndicated feed.)
Doraiah Chowdary Vundavally is a Software engineer at VTech . He is the news editor of SocialNews.XYZ and Freelance writer-contributes Telugu and English Columns on Films, Politics, and Gossips. He is the primary contributor for South Cinema Section of SocialNews.XYZ. His mission is to help to develop SocialNews.XYZ into a News website that has no bias or judgement towards any.
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