Archive note — September 2026: This 2020 beginner guide is preserved as a snapshot of its time, not a current product or health recommendation. Several statements in the original copy, including claims about safety, asthma, CBD, and smoking cessation, are not current medical guidance. The CDC says no tobacco product, including e-cigarettes, is safe; most e-cigarettes contain addictive nicotine; and e-cigarettes should not be used by youth, young adults, or during pregnancy. See the CDC’s current health-effects guidance.
Original June 2020 beginner guide
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