Cannabis use by young people can be linked to decline in IQ

The results of the study have revealed that there was a declination of approximately 2 IQ points over time in those who use cannabis frequently. Photo: Getty
A new study has found that frequent cannabis use by young people can be linked to a decline in IQ.
The results of the study have revealed that there was a declination of approximately 2 IQ points over time in those who use cannabis frequently compared to those who didn’t use cannabis.