https://www.healthcentral.com/slideshow/5-things-know-about-e-cigarettes
COPD

5 Things to Know About E-Cigarettes

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What are e-cigarettes


E-cigarettes aren't regulated


How much do they cost?


E-cigarettes haven't been shown to be very effective


Allison Bush

Allison Bush

Allison Bush is a former HealthCentral editor who covered a wide range of health topics.