Q.42 Do you consider passive smoking is more dangerous than active smoking? Why?
Passive or second hand smoking means being in the same room or place, where some one is smoking and getting exposed to smoke in the surrounding air.
Once inhaled, the smoke can trigger release of mucus in the bronchioles that blocks the airways. This induces coughing. But prolonged exposures can lead to bronchitis emphysema, respiratory tract infections and eventually lung cancer.
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