Tobacco use can begin prior to adolescence and continue into adulthood. About 20% of ever smoker children smoked their first whole cigarette before the age of 10. Eighty percent of current smokers started smoking before they turned 18. Nowadays, smoking hazards makes a big issue among the world population. Lungs cancer is the leading cause of cancer death and the most prevalent form of cancer is 85% of lung cancer. Tobacco smoke is a powerful asthma trigger it also contains many cancer causing substances, Due to their lack of knowledge regarding the negative effects of tobacco usage on their health, they are taking the tobacco.