Smoking or vaping both harm your health., They damage your lungs, strain your heart, weaken immunity, and reduce overall well being., Choosing less harmful doesnt mean choosing safe., Your health Can vaping damage your lungs? What we do (and don't) know Harvard Health Vaping May Be More Dangerous Than Cigarette Smoking, Studies Show University Hospitals How Do I Know When My Juul Is Charged How to Charge and Maintain Your JUUL Vaping isn't just vapor. It's an aerosol filled with nicotine and chemicals that go deep into your lungs and straight into your bloodstream. Many vapes contain: Highly addictive nicotine