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Generational asthma: Secondhand smoke can cause breathing issues — for a young boy’s future kids
Generational asthma: Secondhand smoke can cause breathing issues — for a young boy's future kids,The danger further increases in cases where those young boys go on to become smokers themselves.

Generational asthma: Secondhand smoke can cause breathing issues — for a young boy’s future kids

The danger further increases in cases where those young boys go on to become smokers themselves.