NRT products provide a small dose of nicotine to satisfy cravings and wean you off nicotine slowly without harming you with cigarette smoke
DHT is a potent androgen (a male hormone, though present in both sexes) that can bind to receptors in genetically susceptible hair follicles, causing them to shrink and eventually stop producing hair
[5] Stading, R., Gastelum, G., Chu, C., Jiang, W., & Moorthy, B
[14] as noted above did not find EC use to be significantly associated with prevalence of functionally important respiratory symptoms (as noted in the section above), they did find exclusive EC use to be associated with worsening of functionally important respiratory symptoms in some analyses, though it depended on the exact cutoff used to denote functionally-important (i.e., 2 vs 3 on a 9-point scale) [14]
It exposes vapers to several types of chemicals that are yet to be understood and thats probably harmful