most e-cigarettes only contain water and flavoring. Vaping What's Actually in Your Vape:
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Charlotte Business Journal

When patients report ENDS use, it is important that clinicians document this as part of a holistic assessment of oral cavity cancer risks as they would do with tobacco smoking

When you arrive, Customs officials may or may not inspect your luggage
Clinicians also use pack year data to assess cumulative exposure and evaluate overall respiratory health

Ask ten different people why they use e-cigarettes and you would get ten different answers
