Just How Harmful Is Vaping? More Evidence Is Emerging. The New York Times 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. Vaping, Venous Valves, and Vein Disease Can Weed Smokers Donate Plasma in the USA in 2024? Can You Donate Plasma If You Smoke Weed? https: www.greenreliefhealth.com