Conversely, the share of former smokers decreased from 25.6% (95% CI: 22.429.0%) in 1997 to 19.3% (95% CI: 16.223.4%) in 2025, with projections indicating a further decline to 16.5% (95% CI: 12.622.6%) in 2040, or about 1.7 million individuals
PMCID: PMC8287787
and a third section comprising cellulose acetate fiber located closer to a tobacco portion, also acting as a barrier between the activated charcoal and tobacco portion, wherein the activated charcoal is selected from the group consisting of 0.2 g of mesh size BS 44/52 and 0.1 p of mesh size BS 52/60, 0.2 g of mesh size BS 44/52 and 0.1 g of mesh size BS 60/72, 0.1 g of mesh size BS 44/52 and 0.1 g of mesh size BS 72/85, 0.2 g of mesh size BS 44/52 and 0.1 g of mesh size BS 72/85, 0.15 g of mesh size BS 44/52 and 0.1 g of mesh size BS 72/85, 0.1 g of mesh size BS 52/60 and 0.1 g of mesh size BS 60/72, 0.1 g of mesh size BS 52/60 and 0.1 g of mesh size BS 72/85, 0.1 g of mesh size BS 60/72 and 0.1 g of mesh size BS 72/85, 0.1 g of mesh size BS 52/60 and 0.05 g of mesh size BS 72/85, and 0.1 g of mesh size BS 60/72 and 0.05 g of mesh size BS 72/85, and any combinations thereof

In his interview with Sciences et Avenir, the Chinese inventor recalled the origin of his invention and shared his take on the current controversy surrounding the product