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 Plasma If You Smoke Weed? My Marijuana Cards Vaping Causes Immediate Effects on Vascular Function RSNA Can you donate blood if you smoke? Ohio Woman Has 'Black and Bloody' Vape Juice Removed from Lungs The REAL DEAL on Vaping to Take Down Tobacco in Pima County Pima County Public Library