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 Plasma if You Smoke Marijuana? Severe bleeding linked to synthetic cannabinoid use Texas Poison Center Network Can You Donate Plasma if You Smoke Weed? What About Blood? Can You Donate Blood If You Smoke? Our Blood Institute Can Dentists Tell If You Vape? Smile Stories