World No Tobacco Day 2019: How tobacco endangers the lung health of people worldwide

World No Tobacco Day 2019 will focus on the multiple ways that exposure to tobacco affects the health of people’s lungs worldwide. These include:

Lung cancer. Tobacco smoking is the primary cause for lung cancer, responsible for over two-thirds of lung cancer deaths globally. Second-hand smoke exposure at home or in the workplace also increases the risk of lung cancer. Quitting smoking can reduce the risk of lung cancer: after 10 years of quitting smoking, risk of lung cancer falls to about half that of a smoker. 

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