E cigarettes and vapes 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 Weed And Donating Blood: All You Need To Know Moose Labs Can You Donate Blood if You Smoke Weed? It's Complicated Weedmaps Just How Harmful Is Vaping? More Evidence Is Emerging. The New York Times Can You Donate Blood If You Smoke? What You Should Know Dr. Karuna Kumar