E liquide Red Leaf Cloud Vapor YouVape Vaping leaves e cigarette user with rare lung scarring typically seen in metal workers E cigarettes leave woman with rare lung disease normally seen in metal workers Science, Climate & Tech News Sky News Hon Lik invented the e cigarette to quit smoking but now he's a dual user Vaping The Guardian Largest US study of e cigarettes shows their value as smoking cessation aid Smoking and vaping are often compared, but neither is harmless. While they work differently, both can expose the lungs to addictive nicotine and harmful chemicals that impact breathing and overall health. Smoking