SciNews , Though often promoted as a safer alternative to smoking, vaping carries its own hidden dangers. Scientists have found Chronic electronic cigarette exposure in mice induces features of COPD in a nicotine dependent manner Thorax Effects of Smoking on Oxidative Stress and Vascular Function IntechOpen File:Effects of e cigarette mediated reproductive disruption.png Wikimedia Commons Health effects of electronic cigarettes Wikipedia Shocking! Vaping is as bad as smoking, say doctors Times of India