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Description
Menthol cigarettes make it both easier to start and harder to quit by reducing the harshness of the smoke and cooling the throat, the report notes

While some damage cant be fully undone, your lungs will start to heal as soon as you stop smoking

Carcinogenesis 23 , 20812086 (2002)

Menthol may be derived from distilled corn mint oil, or produced synthetically
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