Taiwanese researchers found that 31% of children whose fathers smoked during gestation developed asthma at age 6, compared with 23% of those without prenatal exposure to paternal smoking. The findings in the journal Frontiers in Genetics also showed significantly higher odds of asthma among those whose fathers smoked more than 20 cigarettes daily, compared with those whose fathers smoked fewer than 20 cigarettes daily.
Prenatal paternal smoking exposure tied to higher asthma risk in youths
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