Think you can't donate blood? Think again. Australian Red Cross Lifeblood Dos and Don'ts After Donating Blood SLMA Can You Donate Plasma If You Smoke Weed? My Marijuana Cards Can Smoking and Vaping Cause Back Pain? National Spine Health Foundation you can chose vaping or a nicotine pouch, what do you choose? Smoking (or vaping) doesn't affect your ability to donate blood. Help us bust this myth by sharing our post.