===[https://twitter.com/JonathanFoulds/status/1455278463770836994 "Acrylonitrile is classified as a potential human carcinogen. 2CyEMA as a biomarker of acrylonitrile exposure. Several studies have shown that urinary 2CyEMA levels in #ECIG users are much lower than in cigarette smokers." (about 87% lower)]=== | ===[https://twitter.com/JonathanFoulds/status/1455278463770836994 "Acrylonitrile is classified as a potential human carcinogen. 2CyEMA as a biomarker of acrylonitrile exposure. Several studies have shown that urinary 2CyEMA levels in #ECIG users are much lower than in cigarette smokers." (about 87% lower)]=== |