3. the Group of elderly adults. This group is at risk of developing heart disease increased by 25-30% risk of lung cancer increased by 20-30% risk of cancer in the throat than those who do not smoke cigarettes received three times the cancer risk in other parts of the body include oral and larynx esophagus bladder than those who do not receive 2 x cigarette causing impact on the cardiovascular system as soon as it receives the second hand smoke, smoking, and for those who have asthma, heart disease and bronchitis, in conjunction with the symptoms of the disease will cause more.