Comment on Younger cannabis users have reduced brain function, finds largest study yet
catloaf@lemm.ee 1 week agoI haven’t read the full study, but as the article says the effects lingered for 2-4 weeks, it sounds like the retesting after abstaining would eliminate confounding variables. Unless they somehow resolved the stress or ADHD at the same time.
crime@hexbear.net 1 week ago
Seems as though they didn’t retest, they only scanned people once. Scanning people is expensive and getting people to show back up for a second scan is difficult. The abstention periods are likely based on self-reports.