Teenagers using cannabis are causing long-lasting damage to their developing brains, a Canadian study suggests.
It found the impact on thinking skills, memory and behaviour...
Parents should not be complacent about the risks of teenagers using cannabis, experts are warning.
UK and Canada researchers said they had found "robust" evidence...
Products containing CBD, the non-psychoactive component in cannabis, are exempt from excise tax
Cannabis oils, edibles and concentrates will be taxed based on the quantity...