Though the randomized control trial is seen as the gold standard for untangling correlation from causation, practicality and ethics often mean we have to make do, says Dennis Cook, a professor of statistics at the University of Minnesota
The event had started late, had been running late all afternoon, and a key member of the small production team had been temporarily indisposed, forcing organizers to cut the remaining contests that would have winnowed the fieldas well as the halftime performancefrom the show
No amount of cleaning can do what our protocol does with pet and smoke odor removal
Some research suggests smoking effects last longer (1.53.5 hours) while vaping effects are shorter (1560 minutes) though this varies hugely by person, product, and dose
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