The association between secondhand smoke and childhood asthma: A systematic review and meta-analysis.
Zonglin HeHuailiang WuSiyu ZhangYuchen LinRui LiLijie XieZibo LiWeiwei SunXinyu HuangCasper J P ZhangWai-Kit MingPublished in: Pediatric pulmonology (2020)
The results show a positive association between prenatal and postnatal secondhand smoking exposure and the occurrence of childhood asthma, asthma-like syndrome, and wheezing. These results lend support to continued efforts to reduce childhood exposure to secondhand smoke.