Introduction
Nowadays, have many people find cancer because they are turn to care for smoke and they not know the effect on them and people who do not smoke. Cigarette is a principle of tobacco that have many disadvantage with health to smoker and secondhand smoke .(Secondhand smoke is When you breathe in smoke that comes from the end of a lit cigarette, cigar, or pipe (sidestream smoke) or that is exhaled by a smoker).