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Unfortunately, the National Health Interview Survey does not collect that level of detail.

The ultrafine particles and some of the other chemicals in e-cig aerosol are important causes of the cardiovascular effects, and these are more-or-less the same in all e-cigs.  That is how they work.  Nicotine is also important, but small differences in nicotine levels probably are less important than these other factors which are common to all e-cigs.

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