![](https://scx1.b-cdn.net/csz/news/tmb/2015/1-secondhandsm.jpg)
Secondhand smoke in pregnancy, youth tied to irregular heartbeat years later
(HealthDay)—People seem more likely to have atrial fibrillation as adults if they were exposed to secondhand cigarette smoke during childhood or while in the womb, new research suggests.
Sep 1, 2015
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