Vaping: not a safe alternative to smoking, new study suggests, and it may be more harmful to health than tobacco in normal cigarettes South China Morning Post How secondhand smoke, thirdhand smoke & vaping affects kids Why Are Vapes Worse Than Smoking Tobacco Comparative Risk: Why Vapes Might Pose Greater Risks Than Cigarettes Vaping Studies Australia Some E Cigarette Flavors May Be More Harmful Than Others The Atlantic