Can You Donate Blood If You Smoke? Our Blood Institute Can Vaping Cause Lung Cancer? Here's What We Know. Can You Donate Blood if You Smoke Weed? Mango Cannabis Is Vaping Better Than Smoking? American Heart Association 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