In Wisconsin, at least a dozen people have recently been hospitalized and treated for severe lung damage. The first cases were reported last month, and the number has been growing. All of these patients are young — between their teenage years and 30s — and all of them appear to have been harmed by vaping. 

Wisconsin's Department of Health Services confirmed 12 cases and is investigating 13 others, including older patients up to their 50s who are experiencing lug damage as a result of vaping, according to The Milwaukee Journal Sentinel.

The hospitalization of at least a dozen young people raises the question: How have e-cigarettes caused so much damage, when they haven't even been around for that long?

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