Can You Donate Plasma if You Smoke Weed? What About Blood? 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 of infections, Can You Donate Blood if You Smoke Weed? It's Complicated Weedmaps Can You Give Blood If You Smoke? MD Spiro What Does Vaping Do to Your Lungs? Johns Hopkins Medicine What Lifestyle Habits Disqualify You From Donating Blood? SJMC