Dry mouth is a common side effect of cannabis use, which we perceive as dehydration
Varenicline is usually taken as up to two tablets a day for 12 weeks
Nicotine has a short biological halflife the time it takes for half of the substance to be eliminated of around 14 hours, meaning it declines fairly quickly in blood after use
Health Canada Test Method T-115 - Determination of Tar, Water, Nicotine, and Carbon Monoxide in Mainstream Tobacco Smoke, 1999-12-31
Background material Canadian Department of Health ("Health Canada") news release, May 31, 2023 Health Canada backgrounder, May 31, 2023 Canadian Tobacco Products Appearance, Packaging and Labelling Regulations Health Canada image of first set of 6 warnings to appear directly on cigarettes (English) (French) Health Canada image of second set of 6 warnings to appear directly on cigarettes effective August 1, 2026 (English) (French) Health Canada image depicting health messages on package exterior and interior, and on cigarette itself (English) (French) Canadian Cancer Society report, Cigarette Package Health Warnings: International Status Report , October 2021 World Health Organization Key Facts for tobacco, May 24, 2022 Rob Cunningham, Senior Policy Analyst, Canadian Cancer Society, [email protected] [] ,