Health Canada surveys which monitor vaping began in 2013 (the Canadian Tobacco Alcohol and Drug Survey), and were redesigned in 2019 (The Canadian Tobacco and Nicotine Survey) and then subsumed into other surveys in 2023, including CSUS (15+), the CCHS (18+) and the Canadian Health Survey on Children and Youth (CHSCY, not yet released)
Additionally, your dentist may prescribe medications, antibiotics, or antiseptics if they detect evidence of infection within your gum tissue
The downstem should be about 2-3 cm below the water level, because too much water can restrict the airflow and affect the flavor , while too little water will not filter the smoke adequately
Muuti S, Hammond D, Borland R, Cummings MK, OConnor RJ, Fong GT: Beyond light and mild: cigarette brand descriptors and perceptions of risk in the International Tobacco Control (ITC) Four Country Survey