We all agree the NFL administration is garbage, but we shouldn’t take their opposition as reason to endorse; marijuana can be actually dangerous even when the NFL is opposed to it for openly incorrect reasons.

Self reported cannabis use as a risk factor for schizophrenia in Swedish conscripts of 1969…

This is a study from fifteen years ago that cleaned up the errors of an even earlier study of the same cohort. Its findings have been borne out many times since, for example by Fergusson and van Os. Its findings have never been disputed by any cohort study. Like every public science issue, we’re best off skipping the headlines and punching bags.