Many have been misled to believe that vaping is healthier than cigarette smoking, but chemical analyses have found e-cigarette liquids, aerosols, cartridges and the heating coils within the e-cig tank can contain many toxic and carcinogenic ingredients
Carcinogenic compounds found in e-cigs include diethylene glycol, volatile organic compounds (VOCs), nitrosamines, polycyclic aromatic hydrocarbons and radioactive polonium-210
Polonium-210 is often found in traditional tobacco products because tobacco plants absorb it from soil and high-phosphate fertilizer. While cigarette smoke contains a wide variety of toxins, the presence of polonium appears to be one of the primary reasons why cigarette smoking causes lung cancer. Since polonium is also found in e-cigs, they too may cause lung cancer in long-term users
E-cigs also contain toxic metals and metalloids, including lead, chromium, nickel, manganese, aluminum, antimony, arsenic, cadmium, cobalt, copper, iron, selenium, tin and zinc
When heated, the chemicals in e-liquids also produce a variety of toxic degradation products, including aldehydes such as acrolein, formaldehyde and acetaldehyde
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