Despite this, ANR tells the public not only that vaping impairs acute lung function, but that it can cause difficulty breathing. This is an outright lie. There is absolutely no evidence that vaping causes clinical respiratory impairment to an extent that leads to difficulty breathing. In fact, the available evidence overwhelmingly demonstrates that smokers who switch to electronic cigarettes experience a marked improvement in their respiratory symptoms.

Presumably, these five studies examined the rate of quitting among smokers who used electronic cigarettes in an attempt to quit smoking.

The ACLU is also challenging the inclusion of electronic cigarettes in the regulations, as it seems absurd to ban the use of e-cigarettes in all parks, given the lack of any evidence that vaping in a park poses any substantial public health threat.

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