Smoking (or vaping) doesn't affect your ability to donate blood. Help us bust this myth by sharing our post. E cigarettes and vapes Can You Donate Plasma if You Smoke Weed? What About Blood? Is Vaping Marijuana Safe? New York Center for Living YES, you can donate blood if you smoke or consume cannabis. Let's break the stigma! All donors go through the same health screening. All blood donations are tested for several types