Can You Donate Blood If You Smoke? Our Blood Institute Can You Donate Blood if You Smoke Weed? 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 Smoking Marijuana Increase Stroke Risk? Health Matters NYP Dos and Don'ts After Donating Blood SLMA Did you know: You CAN donate blood if you use cannabis. If you have any questions about blood donation, please ask us! #DidYouKnowAboutBloodDonation