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 Blood If You Smoke Vapes We all know smoking and vaping isn't great for your health. But it doesn't stop you from being a blood or plasma donor. Just Vaping Cannabis Produces Stronger Effects Than Smoking Cannabis For Infrequent Users Johns Hopkins Medicine Smoking or Vaping Cannabis and Cardiovascular Function: Is 9Tetrahydrocannabinol the Main Culprit? Journal of the American Heart Association Severe bleeding linked to synthetic cannabinoid use Texas Poison Center Network Can You Donate Plasma If You Smoke Weed? My Marijuana Cards