These smokeless products also contain nicotine, as well as many toxic chemicals
Public Broadcasting Service
A 2019 study found that the average nicotine concentration in e-cigarettes more than doubled from 2.1% in 2013 to 4.34% in 2018
Tobacco and psychoactive substance use among young people: levels are declining in France March 3, 2026 Par: National Committee Against Smoking Dernire mise jour: February 27, 2026 Temps de lecture: 9 minutes The 2024 results of the national EnCLASS survey, published by the French Monitoring Centre for Drugs and Drug Addiction (OFDT) [1] , The survey confirms an overall decrease in the use of psychoactive substances among middle and high school students in France, particularly tobacco and cannabis
Its really not possible to set a minimal threshold because even very light, occasional smoking is associated with some risk, she says
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