burning cigarette van gogh Head of a Skeleton with a by Vincent Gogh, Smoking Skull Greeting Card Vincent van Gogh - Skull

[104] By-products [edit] Metals and other content [edit] A 2020 systematic review found aluminum, antimony, arsenic, cadmium, cobalt, chromium, copper, iron, lead, manganese, nickel, selenium, tin, and zinc, possibly due to coil contact

Chiazze L, Watkins DK, Fryar C: A casecontrol study of malignant and non-malignant respiratory disease among employees of a fibreglass manufacturing facility

The problem is that ozone is itself a respiratory irritant

Some suggest that e-cigarettes likely confer lower risk compared to combustible tobacco cigarettes, because they do not expose users to toxicants produced through combustion