Vaping can silently destroy your body, damaging multiple organs without you realizing it. Each puff delivers a mix of nicotine, propylene glycol, glycerin, heavy metals, and flavoring chemicals that slowly corrode your An updated overview of e cigarette impact on human health Respiratory Research Springer Nature Link Toxicity of humectants propylene glycol and vegetable glycerin in electronic nicotine delivery systems ScienceDirect Dangers of Vaping: The Facts. Moses Lake Community Health Center