No, it is an educational device that gives a rough estimate to assist in the understanding of the effect of air pollution, not a medical aid
Synthetic fabrics like nylon release odours faster than natural fibres like cotton or wool, which are highly absorbent and tend to hold odours longer
Also, as battery efficiency and heat-not-burn technology get better, traditional smokers are starting to warm to these devices, and the consumer base is expanding
Study population The Kangbuk Samsung Health Study was a cohort study of Korean men and women aged 18 years or older who underwent an annual or biennial routine health check-up at one of the Kangbuk Samsung Hospital Total Healthcare Centers in Seoul or Suwon, South Korea [19]
By 2012, per-smoker consumption had fallen to 8,200 cigarettes, or just over a pack a day