By Secondhand smoke may cause middle-ear infections , coughing, wheezing, bronchitis, and pneumonia in infants, and aggravate asthma in children. Tobacco use causes an estimated 20% of persistent lung diseases in the united states, such as persistent bronchitis and emphysema, and causes pneumonia in these with chronic lung disease. The CDC, in 2011, estimated that 90% of deaths from persistent obstructive lung disease had been because of smoking. Tobacco use causes or contributes to a lot of cancers in the U.S.
in healthychildren.my.id you can read the newest article about Health