In early February, Canadian researchers reported that rates of severe mental illness among young people have risen alongside increased access to high-potency cannabis (Callaghan, et al., 2022). Around the same time, a new book, A Killing in Cannabis (Kohn, 2024), revisited a 2019 California murder and highlighted how violence tied to the marijuana trade has persisted even after legalization. On February 9, 2024, an opinion piece from the New York Times editorial board
Haidt's arguments and approach have been challenged by critics, many of whom point out that causation is not correlation, that his work ignores the many other potential factors at play affecting mental health. Yet, The Anxious Generation has undeniably had a significant impact. Haidt is leading, in his own terms, a "movement," which we have already seen translate into legislation in many states around the U.S. limiting the use of phones in schools.
