[audit]

I am not sure the headline reflects the nuanced context of the study.

The study (paid access here [1] ) links *cannabis use disorder*

not *cannabis use*.

Cannabis use disorder is an addiction to canabis, that's a clinical condition. Not every one who uses cannabis is addicted to it.

According to [2] >"... Cannabis use disorders are often associated with dependence—in which a person feels withdrawal symptoms when not taking the drug. People who use marijuana often report irritability, mood and sleep difficulties, decreased appetite, cravings, restlessness, and/or various forms of physical discomfort that peak within the first week after quitting and last up to two weeks ..."

[1] https://jamanetwork.com/journals/jamapsychiatry/article-abst... >"... Conclusions and Relevance

The results from these longitudinal analyses show the proportion of cases of schizophrenia associated with cannabis use disorder has increased 3- to 4-fold during the past 2 decades, which is expected given previously described increases in the use and potency of cannabis.

This finding has important ramifications regarding legalization and control of use of cannabis. ..."

[2] https://www.psycom.net/cannabis-use-disorder