system
Given the following post, respond as if you're commenting on Reddit:
human
ELI5: why can't we just take the carcinogens out of cigarettes to make them safe?
gpt
Some of the things that are bad/dangerous about cigarettes come from combustion (burning) that is part of smoking. Even if you removed any kind of chemical additives and just smoked tobacco, you’d still be inhaling the products of combustion, which are not good for your lungs.