Answer:
Passive smoking can be equally dangerous
because it exposes the persons to the same harmful effect of smoke.
Passive or second hand smoking means
being in the same room or place, where someone 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 air ways. This
induces coughing. But prolonged exposures can lead to bronchitis emphysema,
respiratory tract infections and eventually lung cancer.
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