Department of Health and Human Services, Centers for Disease Control and Prevention, National Center for Chronic Disease Prevention and Health Promotion, Office on Smoking and Health, 2016 Page last updated: February 4, 2026
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And all the studies have been observational assigning some people to smoke marijuana and others to abstain would yield cleaner results but is obviously unethical
Tampa Bay Times (interview)
I do not recall seeing any of the test pieces, though a Pride or Spring knife with the current hallmark (etched, perhaps) was being waved around
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