This product contains nicotine, a highly addictive substance. It has not been approved by the FDA as a smoking cessation device. This product is not intended to diagnose, treat, cure or mitigate any disease or medical condition. Do not use this product if you are not of legal smoking age. Do not use this product if you are sensitive or allergic to nicotine; if you are at risk for having respiratory problems or conditions; if you have heart problems, high blood pressure, diabetes or any other medical condition that can be exacerbated or induced by consuming nicotine; do not use if you are pregnant or nursing. Consult your physician if you have any medical questions.Persons suffering from pre-existing lung disease or serious medical conditions resulting from smoking should not use an e-cigarette except with the advice of their doctor.