low certainty27 , 28), and magnitudes of weight gain for both nicotine and non-nicotine e-cigarettes.28 One RCT provided data on adverse events at 12 months that was of very low certainty,39 and a cohort study reported no serious adverse events or differences in smoking-related diseases at 4 years with nicotine e-cigarettes compared with traditional tobacco smoking (certainty could not be evaluated).49 Conclusions from the Cochrane living systematic review on potential harms were similar.24 Resource use Many behavioural interventions are covered by provincial and territorial health care systems or otherwise provided at no charge (e.g., quit lines), and every province and territory has at least limited coverage or rebate programs for pharmacotherapy, including NRT, which is considered a natural health product.50 53 However, people may have to pay out of pocket for some behavioural services or pharmacotherapy

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Others, such as vapes by West Coast Cure and Backpack Boyz, contained dozens of undisclosed pesticides
Cocaine slang based on the look/origin People also use names that hint at where the drug supposedly comes from or what it looks like when its cut and packaged
Common triggers include pollen, dust mites, mold and pet dander