@CNN: Does your workout take you by traffic-laden roads? Walking along polluted streets may reduce health benefits for older people, a new study finds https://t.co/GbFFLvRLgr https://t.co/rwneQOxTEW
Does your workout take you by traffic-laden roads? Walking along polluted streets may reduce health benefits for older people, a new study finds https://t.co/GbFFLvRLgr http://pic.twitter.com/rwneQOxTEW
— CNN (@CNN) December 7, 2017