the economic benefit of limiting pot use is "pretty small." There may still be a causal role between cannabis and schizophrenia, but our results suggest that this causal role may have been overestimated, Power says
The metrics that are most commonly used to describe particulate matter (PM) are the number concentration and the mass concentration
That study, which included more than 19,000 vapers from around the world, found that almost all of them (99.5 percent) were smokers when they started vaping
It comes in numbered cabinets of 50 (4,000 were produced), and when you have one, youll want to reach into that big box again and again
cite AV media notes : CS1 maint: others in cite AV media (notes) (link) O'Leary 2015, chap
School-based programmes for preventing smoking