Rights and permissions About this article Cite this article Csordas, A., Bernhard, D
Not intended to diagnose, treat, cure, or prevent any disease
Research shows that mainstream smoke particles are retained in smoker lungs at rates of 2289% per puffeven when smokers believe they arent inhaling deeply
Theyre not officially recognised medical quit aids like nicotine gum or patches, but they provide exactly the same function and many ex-smokers and vapers use them as part of their harm reduction toolkit
JAMA 323 , 15991608 (2020)
From 1980 to 2000, he worked for the Danish Railways until he was incapacitated by an accident at work