E cigarettes and cancer: new report faces sharp criticism Vejpkollen.se The rise of teen vaping is worrying doctors worldwide. While e cigarettes were once marketed as a safer alternative, research shows they contain nicotine, heavy metals, and cancer causing chemicals that can damage developing Use of e cigarettes after quitting smoking increases lung cancer risk Cancerworld Magazine Vaping and Lung Cancer Screening: Reduced Rates Among Vapers Revealed AJMC Growing the research evidence on e cigarettes by Research at CRUK Medium How Can Smoking and Vaping Impact Cancer? Urology Care Foundation