Can You Donate Blood If You Smoke? Cannabis, Nicotine, and More Just How Harmful Is Vaping? More Evidence Is Emerging. The New York Times Yes, You Can Have a Heart Attack at 33 Due to Vaping Associated Lung Injury Jackson Health System Think you can't donate blood? Think again. Australian Red Cross Lifeblood Smoking (or vaping) doesn't affect your ability to donate blood. Help us bust this myth by sharing our post. Dos and Don'ts After Donating Blood SLMA