> "
Biometric information: Sold or Shared ℹ: Yes"
This from the newsatlas.com privacy policy. Sad how "privacy" policies these days don't even try. "Yep we're selling all your data."
As for the study, it doesn't seem confident in its own findings, admitting to various shortcomings of the data in conclusion. But in general it should be no surprise that "heavy use" of cannabis is asking for trouble at any age.
Some will get away with it, similar to functioning alcoholics who still excel in their work. But for most of us, my opinion is to avoid heavy use of any drug, including alcohol. Cannabis is more enjoyable and intellectually or creatively insightful with occasional use anyway, otherwise it's more haze than high.
Even if the worst that happens is you have a 10 year zone-out where you do very little, you still lost that 10 years. There is a small exception: you really wanted to zone out for 10 years!