how do you smoke cigarettes to a Cigarette in 7 Steps Chemicals in Cigarettes and Tobacco:

This mass is then divided by the average mass of PM2.5 inhaled from a single cigarette, yielding the "cigarette equivalent." To put this in perspective, consider a day with an AQI of 125, categorized as "Unhealthy for Sensitive Groups." For an average adult, exposure to this level of pollution over a full day could equate to passively smoking approximately 4 to 5 cigarettes

Usually, this is often because the individuals are used to smoking or vaping habits

Creepazoids : Swampgas from series 20 is a skeleton mostly covered in swamp muck and plant matter

Who can predict the logic of a House of Commons that denies the right to unintentionally kill oneself slowly with cigarettes, but favors a limited right to kill oneself quickly and deliberately in the case of assisted dying

Camel Cigarette Ad, 1946