Severe bleeding linked to synthetic cannabinoid use Texas Poison Center Network 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 Use Cannabis? The Cannigma Smoking or Vaping Cannabis and Cardiovascular Function: Is 9Tetrahydrocannabinol the Main Culprit? Journal of the American Heart Association drugs 101: what you need to know 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 make sure to wait one hour after donating