Can You Donate Blood If You Smoke? Cannabis, Nicotine, and More 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 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 you donate blood if you smoke? Can Smokers Donate Blood in India & its Side Effects?