Smoking (or vaping) doesn't affect your ability to donate blood. Help us bust this myth by sharing our post. Smoking weed and plasma donation: are you eligible? 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 Can You Donate Plasma if You Smoke Marijuana? FAQs Shepeard Blood Teen Vaping: What Parents Can Do Children's Hospital Colorado