Study lists 26 Indian cities where cycling does more harm
Cycling or slow jogging could be more dangerous than not doing it at all in highly polluted cities of the world, a new study has found. It said 26 Indian cities, including Gwalior, Patna, Delhi, Kanpur and Lucknow, were among the cities where such exercise causes more harm. The study also named Iran's Zabol as the world's most polluted city.