Can You Donate Blood if You Smoke Weed? It's Complicated Weedmaps Can you donate blood if you smoke? Can Smokers Donate Blood in India & its Side Effects? Smoking and vaping don't affect your eligibility to donate. Become a donor and give life today. Can You Donate Blood If You Smoke? Our Blood Institute The landmark Tobacco and Vapes Act is now law. Today's children will never legally be sold cigarettes. We're creating the UK's first smoke free generation and protecting children from the harms of smoking