Regarding the Dec. 10 column by MP Colin Mayes, Drug use a concern.

According to Mr. Mayes, few people are talking about substance use and he is surprised to learn that a number of families in his riding have to deal with raising their grandchildren because their parents are addicted to drugs.

He shares that a nurse told him that 70 per cent of emergency room cases are related to substance use, and he reports that marijuana has been proven to cause schizophrenia.

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