Smoking (or vaping) doesn't affect your ability to donate blood. Help us bust this myth by sharing our post. Severe bleeding linked to synthetic cannabinoid use Texas Poison Center Network Think you can't donate blood? Think again. Australian Red Cross Lifeblood Yes, you can donate blood if you smoke or consume cannabis. The recipient of the blood will not get high, another common MYTH. All donors go through the same health Can You Donate Blood if You Use Cannabis? The Cannigma