DW's The Day with Drs Alex Carll and Aruni Bhatnagar

Smoking Kills - What About Vaping? E-cigarettes have been touted as a way to cut back on tobacco intake. "Vaping" as it's known is increasingly popular with smokers. But are e-cigarettes actually less harmful than the average tobacco product? DW's Sumi Somaskanda talks with Aruni Bhatnagar and Alex Carll, two experts on the effects of vaping.