To gather relevant publications, we searched several databases such as PubMed, EBSCO, Cochrane, and Science Direct, using specific MESH terms and keywords such as cigarette smoking, air pollution, particulate matter, gaseous air pollutants, cardiovascular diseases, and hypertension. To ensure the quality of the studies, we applied PECOS criteria that focused on the population (i.e., adults chronically exposed to outdoor air pollutants), comparator (unexposed persons), result (all-cause mortality and cardiovascular diseases), and study design (experimental and epidemiological studies, intervention studies, meta-analyses, and systematic reviews published in peer-reviewed journals in English)
Nicotine is found in the following: [4][5][7][8][9][10] Tobacco plants (Nicotiana tabacum): These are the primary sources of nicotine, with concentrations ranging from 0.6% to 3% of dry weight in the leaves
3 of 3 Asia, the worlds largest consumer of combustible tobacco, is fast emerging as a key market for nicotine pouch products
Each pouch is sealed for freshness, maintaining the moisture and quality of the tobacco
However, kiseru would remain popular in rural areas and among people wishing to preserve its culture
Might be a little cautious with moldy leaves