can fbi agents smoke cigarettes the x-files (1993) follows two investigating ufos, paranormal cases, and government conspiracies. despite its sci-fi premise, the show relied heavily on practical effects instead of cgi, giving it a gritty The Ten Most Disturbing Things
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Its well known for the effects it can have on your brain, which is what makes smoking or vaping so addictive

Smoking produces a chronic inflammatory state, causes endothelial dysfunction, enhances thrombogenesis, can cause insulin resistance and diabetes, and is associated with an atherogenic lipid profile

Rev Investig Clin

This is physical dependence

Smoking one cigarette daily can expose you to up to 2.5mg of nicotine, the same amount found in a 2500 puff e-cigarette

Q:Can lung health improve after quitting smoking