Young vapers perform worse in exercise testing ERS European Respiratory Society Is Vaping Worse Than Smoking Cigarettes? Get the Facts Vaping: what we know and what we don't about e cigarettes Evidence update on the cancer risk of vaping e cigarettes: A systematic review Study: heated tobacco less harmful than cigarettes, but much more so than vapes Vaping Post Some reports state that these new, flavored smoking devices are less harmful than tobacco cigarettes but how safe is vaping? In this third part of a four part series, China Daily examines the