can smoke detectors detect cigarette smoke Detector (Test and Demo) Vape Detector vs Smoke Detector:

Additionally, the heat from cigarette smoke causes repeated thermal cycling of the enamel, micro-expansions and contractions that, over time, create microscopic surface cracks that tar and nicotine pigments exploit as additional pathways into the tooth structure

The porous separator film holds a liquid electrolyte which is generally flammable or combustible

its pretty clear there is no health benefit from filters

Others claim that butane became popular because it had a less pervasive odor than naptha though most people I know who use lighters or who grew up around smokers are nostalgic for the smell of a naptha lighter