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? Cannabis, Nicotine, and More What Lifestyle Habits Disqualify You From Donating Blood? SJMC Can You Donate Blood If You Smoke? Our Blood Institute Can You Donate Blood If You Smoke? Cannabis, Nicotine, and More Can You Donate Blood if You Smoke Weed? It's Complicated Weedmaps