A study released Monday says nearly five percent of adults living with children use e-cigarettes.
The study says vaping parents could be exposing their children to secondhand fumes that may be as harmful as tobacco.
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These vapors could include compounds like nicotine and heavy metals.
The American Academy of Pediatrics recommends that e-cigarettes not be used around children.
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It also wants to see laws for cigarettes expanded to include electronic cigarettes.