@CNN: Exposure to air pollution before birth may shorten our lives https://t.co/e6wgp1NUMQ https://t.co/d7MB3Pospx
Exposure to air pollution before birth may shorten our lives https://t.co/e6wgp1NUMQ http://pic.twitter.com/d7MB3Pospx
— CNN (@CNN) October 17, 2017