http://cigarest.inapill.com In solid form, tar is the brown, tacky substance that is left behind on the end of the cigarette filter. It stains a smoker's teeth and fingers brown and coats everything it touches with a brownish-yellow film.
Tar in cigarette smoke paralyzes the cilia in the lungs and contributes to lung diseases such as:Emphysema, Bronchitis, and Lung Cancer
