Addressing Smoking Cessation in Asthma Pulmonology Advisor Vaping' Increases Odds of Asthma and COPD Johns Hopkins Medicine E cigarettes are not a healthier alternative to cigarettes. They contain nicotine and many harmful ingredients that can cause cancer and heart disease. Since these products are relatively new, we don't know all Beware! Flavoured e cigarettes can worsen asthma Khabarhub Asthma causing bugs found in e cigarettes for the first time asthma tobacco Asthma Initiative of Michigan