black and green cigarette pack Djarum Emerald Menthol Filtered Cigars corrugated board captain black green apple |

McGee says

But the unique part of this study is that we found elements in what we call the virgin e-liquid, meaning that the device has never been used. This design is known as a closed system, so youre not changing out the coil, which Poulin says was a common feature of the previous-generation devices, and may help explain why the newer disposable e-cigarettes are more harmful

Specifically, the agency found that the four brands had higher amounts of harmful ingredients, higher levels of menthol, and the addition of new ingredients raised new questions for public health

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