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The NicAlert strips had 95% specificity (95% CI 89%-100%), 93% sensitivity (95% CI 85%-100%), a positive predictive value of 95% (95% CI 89%-100%), and a negative predictive value of 93% (95% CI 86%-100%)

However, the primary aim of tobacco control policy should be to discourage cigarette use while providing the means for smokers to more easily quit smoking, even if that means switching for some time to e-cigarettes rather than quitting all nicotine use, the authors write in their article

"We're optimistic about the future as we work to progressively transition PMI's existing cigarette business to these potentially less harmful, smoke-free alternatives

Quitting Smoking During Pregnancy Pregnant women who quit smoking are much less likely to have pre-mature and low birth weight babies and reduce the damage that second-hand smoke can have on their babies