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…by withdrawal. For example, say someone sets out to take
a tolerance break. Say they get really anxious around day three, start
smoking again and feel better. They might view this as proof that
cannabis helps with anxiety: “when I stopped, I felt really anxious; but
when I started again, I felt better: cannabis cures my anxiety.” But
anxiety itself…
https://www.wichita.edu/services/prevention/_documents/T_BreakGuide_v5_simplelayout.pdf