If you use cannabis, do it safely Harvard Health How to Quit Vaping, According to Experts The New York Times 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 Weed? CGM Monitors Can Cannabis Users Donate Blood Red Cross Vaping Cannabis Produces Stronger Effects Than Smoking Cannabis For Infrequent Users Johns Hopkins Medicine