I do not preach against the use of pot or alcohol but there is some evidence that long term pot usage impacts brain function later in life.
“Long-term cannabis users' IQs declined by 5.5 points on average from childhood, and there were deficits in learning and processing speed compared to people that did not use cannabis. The more frequently an individual used cannabis, the greater the resulting cognitive impairment, suggesting a potential causative link.
The study also found that people who knew these long-term cannabis users well observed that they had developed memory and attention problems.”
My 68 year brother in law smoked daily from his early twenties to late forties. The decline in his cognitive function is striking and obvious to every one. Even his 99 year old mother can see it and comments on it.
Cognitive effects in midlife of long-term cannabis use - Harvard Health
As more US states have legalized recreational cannabis or passed medical cannabis laws, public perception that cannabis is a harmless substance is growing. But its long-term benefits and ris...
www.health.harvard.edu
“Long-term cannabis users' IQs declined by 5.5 points on average from childhood, and there were deficits in learning and processing speed compared to people that did not use cannabis. The more frequently an individual used cannabis, the greater the resulting cognitive impairment, suggesting a potential causative link.
The study also found that people who knew these long-term cannabis users well observed that they had developed memory and attention problems.”
My 68 year brother in law smoked daily from his early twenties to late forties. The decline in his cognitive function is striking and obvious to every one. Even his 99 year old mother can see it and comments on it.