I’m glad this research is being done. I don’t use cannabis, but I also don’t frown upon it. However some of the conversations on the use of cannabis recently have changed from “it’s a drug, but it isn’t that bad” to “it is completely harmless”. Which in my opinion is very dangerous and could harm entire populations before we have enough research. In my opinion, it should be considered similar category as alcohol, cig…
Quite a bit of research is available on the effects of cannabis use — the problem is that people don't read it.