Can You Donate Blood If You Smoke? Our Blood Institute Smoking and vaping don't affect your eligibility to donate. Become a donor and give life today. Can You Donate Blood if You Smoke Weed? It's Complicated Weedmaps We all know smoking and vaping isn't great for your health. But it doesn't stop you from being a blood or plasma donor. Just make sure to wait one hour after donating Can Smokers Donate Blood in India & its Side Effects? FAQs Shepeard Blood