Study found a stunning 75 per cent of the marijuana smokers had emphysema, compared to 67 per cent of the cigarette smokers and just five per cent of the non-smokers.
When the Cannabis Act was passed in 2018, a requirement was included that three years after implementation, a formal review should be conducted to assess the results of legalization.
A team of researchers from the University of Ottawa and Ottawa Hospital have been examining 15 years worth of chest CT scans. Last week the team published their findings. The marijuana smokers also had higher levels of clogged airways, lung inflammation, chronic bronchitis and coronary artery narrowing. Part of the reason may be that marijuana smoke contains larger amounts of soot and tar than tobacco smoke.
A more promising approach would be to start a public information campaign, stressing the health risks of smoking marijuana. It was by this means that trends in cigarette smoking were turned steeply downward. There is some evidence that it can be effective in the treatment of chronic pain. And some patients may need more concentrated doses than shop-bought varieties provide.
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