This is when people commit to quitting and take action
Lead in Tobacco Plant Polonium-210 and lead-210 get into and onto tobacco leaves and remain there even after the tobacco has been processed (Centers for Disease Control, 2015)
However, e-cigarette vaping liquids, even nicotine-free ones, may affect health and human reproduction, especially since vaping liquids, hookah tobacco, and aerosols contain several potentially harmful substances, including glycerine, formaldehyde, acetaldehyde, methylglyoxal, benzaldehyde, and endocrine-disrupting chemicals like phthalates or polybrominated diphenyl ethers, respectively 28,29,30,31,32,70
You can find these laws on the governments website