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 you can chose vaping or a nicotine pouch, what do you choose? Does Nicotine Free Vaping Affect Your Blood Vessels? What Science Tells Us Medic Pro Just How Harmful Is Vaping? More Evidence Is Emerging. The New York Times Can You Donate Blood if You Smoke Weed? Mango Cannabis