whiff of cigarette smoke How to Get Rid Smell in Your House, Car, Hair, and More Whiff | cigar | Britannica

It is this drug which can make it very hard for people to give up smoking, even when they know the damage it can cause

Because nicotine is specific to tobacco, its presence on childrens hands may serve as a proxy of tobacco smoke pollution in their immediate environment, the researchers wrote

The existence of toxic heavy metals in cigarette tobacco may thus introduce noticeable non-carcinogenic and carcinogenic health impacts accompanying inhalation exposure

While this does not pose a significant threat to people who have minimal cardiovascular risk, it should be a red flag for anyone with a history of heart disease