The document discusses e-cigarettes and whether they can help smokers quit smoking conventional cigarettes. It explains that e-cigarettes consist of a cartridge containing nicotine solution, a vaporizer, and a battery. Studies have shown e-cigarettes still contain some cancer-causing substances, but remove harmful tar. Large health organizations like the FDA and WHO have not approved e-cigarettes as safer alternatives or for smoking cessation due to lack of long-term research on safety. The best way to quit smoking is to avoid all nicotine products entirely.