Can You Donate Blood If You Smoke? Cannabis, Nicotine, and More Weed And Donating Blood: All You Need To Know Moose Labs Can You Donate Blood If You Smoke? What You Should Know Dr. Karuna Kumar 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 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,