smoking cigarettes is an example of The ENDS justifies the ends – DrugWise Tobacco companies have made cigarettes

Activated carbon filters adsorb odors effectively but require regular replacement

14 Nonetheless, the Governments comprehensive Smokefree action plan announced recently seems very likely to accelerate progress towards the Smokefree 2025 goal by discouraging smoking uptake, and prompting and supporting people who smoke to quit smoking or switch to ECs

[2] Exhaling through your cigarette will cause a flare up from the flame on the tip of your cigarette

But if you get close enough to a smoke detection device, the particles from exhaled vapour will act in the same way as cigarette smoke does

They are recognized annually on February 11th, along with the likes of the Wright brothers, Thomas Edison, George Washington Carver, and Elisha Otis