I've done a little research (only a little) into cannabis and health, and not surprisingly (due to legal complications), it's difficult to get very specific ans

I've done a little research (only a little) into cannabis and health, and not surprisingly (due to legal complications), it's difficult to get very specific answers when you drill down into specific use patterns. For instance, I read a study that people who use cannabis 4 or more days a week experience certain harmful psychological and physical effects. I get it, and I haven't read the full study, only the mainstream press overview... but right off the bat, think about a study that describes people who "use" alcohol 4 days a week. This includes people who drink one beck's "ultra premium light" 2.3%ABV every day and people who drink a fifth of bourbon a day or worse. It wouldn't make any sense for the beck's drinker to infer much from this study. The state of cannabis research seems very limited - again, there's a good reason for this. But what does it mean to "use" cannabis. There are CBD heavy strains that have ~3%THC, and strains that exceed 30%TCH. How much do you smoke? Someone who takes, say, 3 drags of low THC weed twice a week is smoking the equivalent of less than cigarette every two weeks. And the psychoactive effect is likely very, very mild. I'm also learning (post-legalization markets) that the scenario I described above is becoming quite common, so I don't think it's an edge case anymore, even if it isn't the norm. Ultimately, unless someone describes the kind of cannabis and the frequency and dose, I can't get much out of these stories or even the more formal research.