Fathers-to-be who smoke may increase the risk of congenital heart defects in their offspring, according to a new study (total n=137,574 babies). Fathers are a large source of secondhand smoke for pregnant women, which appears to be even more harmful to unborn children than women smoking themselves.

Fathers-to-be who smoke may increase the risk of congenital heart defects in their offspring, according to a new study (total n=137,574 babies). Fathers are a large source of secondhand smoke for pregnant women, which appears to be even more harmful to unborn children than women smoking themselves.: https://ift.tt/2U6QRtC Read more... https://ift.tt/2USgjjB