- Results concluded from an investigation of 4,000 Canadian school children
- Researchers found cannabis more toxic for youngsters’ brains than alcohol
- Persistent use of the drug seriously affected basic reasoning skills
Regularly smoking cannabis can affect teenagers so severely that they end up three years behind their classmates in terms of brain development, a landmark study has found.
The results of the investigation, which involved almost 4,000 secondary school children in Canada, led researchers to conclude cannabis is more toxic for youngsters’ brains than alcohol.
