"Teenagers using cannabis are causing long-lasting damage to their developing brains, a Canadian study suggests. This study found these problems increased as cannabis use increased - and the effects were lasting, unlike those of alcohol."**********
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The poll of 1,000 Ontario residents who own, lease or drive a vehicle was commissioned by the Canadian Automobile Association (CAA) and conducted by Ipsos in July. It found that among current cannabis users, 48 per cent admitted to driving while under the influence of the drug at least once.