Vaping Slows Wound Healing Just as much as Smoking The Brink Boston University Vaping May Be More Dangerous Than Cigarette Smoking, Studies Show University Hospitals Can I be Affected by Secondhand Vape Smoke? The Impact of E Cigarettes and Asthma: What You Need to Know Vaping is less harmful than smoking, experts say. Why don't smokers know this? Scienceline Health Risks of Secondhand Smoke and Aerosols Factsheet US EPA