Smokers and Vapers May Be at Greater Risk for Covid 19 The New York Times Vaping Impairs Vascular Function, Even Without Nicotine, Study Finds The Health Risks & Dangerous Effects of Vaping & E Cigarettes Evidence Mounts About the Health Impact of Second Hand Vaping Bisnar Chase Vaping substantially less harmful than smoking, largest review of its kind finds King's College London Secondhand e cigarette aerosols expose kids to less nicotine than cigarettes, study finds, but can still be risky CNN