Close Study: Pollution Wipes Out the Benefits of Exercising A new study found that if your walk is through busy city streets, it may not be benefiting your health at all. Susana Victoria Perez (@susana_vp) has more. KUSA 11:21 AM. MST December 06, 2017 TRENDING VIDEOS Teen charged with first-degree murder Leash law crackdown in Lafayette Teen arrested in girl's death in court 10-year-old death investigation WUSA Breaking News Conspiracy theorist segment stirs controversy Next Question: Manicured lawns in canyon President Trump: Suspect in congressional baseball shooting has died Family from Fort Collins lives in their bus Teen drives car into King Soopers store More Stories Net neutrality rules are dead. Will my Internet bills go up? Dec 15, 2017, 7:27 a.m. This neighborhood has epic Christmas lights and… Dec 14, 2017, 5:49 p.m. Fire engulfs home in Golden Dec 15, 2017, 7:46 a.m.