Can You Donate Plasma If You Smoke Weed? https: www.greenreliefhealth.com Vaping Causes Immediate Effects on Vascular Function RSNA Can I Donate Blood? Common Blood Donation and Eligibility Questions Can Weed Smokers Donate Plasma in the USA in 2024? 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 Smoking (or vaping) doesn't affect your ability to donate blood. Help us bust this myth by sharing our post.