Does Nicotine Free Vaping Affect Your Blood Vessels? What Science Tells Us Medic Pro Think you can't donate blood? Think again. Australian Red Cross Lifeblood Vaping is as bad as smoking and it significantly decreases lifespan. Vaping contains ultrafine particles, volatile organic compounds and aldehydes that promote inflammation and damage heart and lungs. Here are scientific evidence Can You Give Blood If You Smoke Weed? Explained Clearly Smoking (or vaping) doesn't affect your ability to donate blood. Help us bust this myth by sharing our post. Can you donate blood if you smoke?