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New research, involving millions of people worldwide over decades, adds to worries that heavy use of high-potency cannabis could exacerbate the mental health crisis in the U.S. “The ideal time to consider using weed — if you’re going to use it — is 26 or later,” said Dr. Ryan Sultan, a psychiatrist at Columbia Irving

Please cite this article as: A. García-Pérez, G. Aonso-Diego, S. Weidberg, R. Secades-Villa, Testing the cannabisgateway hypothesis in a national sample of Spanish adolescents, Addictive Behaviors Addictive Behaviors (2023),doi: https://doi.org/10.1016/j.addbeh.2023.107751 This article has undergone enhancements after acceptance, such as the addition of a coverpage and metadata, and formatting for readability, but it is not yet

Of all the ways to win a culture war, the smoothest is to just make the other side seem hopelessly uncool. So it’s been with the march of marijuana legalization: There have been moral arguments about the excesses of the drug war and medical arguments about the potential benefits of pot, but the vibe of

If you are pregnant and use any form of cannabis product, consider stopping. That’s the takeaway from a new study that found a significant health impact of marijuana use on fetal development as early as the beginning of pregnancy. “That’s why these findings are especially important — people can often be well into the first