2. youth group. This group will cause illness, with respiratory infections such as pneumonia and bronchitis with asthma increased birth rate. Infection of the ear and in the long term. Children who receive second hand cigarette smoke, there will be a development of the lungs is less than children who did not receive the cigarette smoke.
ผลลัพธ์ (ภาษาอังกฤษ) 2: