It triggers airway or alveolar abnormalities, leading to symptoms of chronic bronchitis and emphysema, which usually manifest as persistent respiratory symptoms and airflow restriction (Rodriguez-Roisin et al., 2017)
In addition, carbon monoxide from smoke is risky to people who live, work, and recreate near areas that are smoldering
So it would be better called heat not combust. The devices heat tobacco to 350C (662F), far lower than traditional cigarettes that burn at temperatures up to 900C (1,652F), but still high enough for harmful chemicals to be released into the vapour
Meanwhile, here at home base in Salt Lake City, Utah, weve been issued a poor air quality warning and you cant even see the mountains across the valley from my house, which on a clear day are the first thing that pop out at you