These products may resemble smart devices, but theres nothing smart about them, said Brian King, Ph.D., M.P.H., director of FDAs Center for Tobacco Products
Common options include: Low concentration: 3 mg/ml (0.3%) Moderate concentration: 6 mg/ml (0.6%) and 12 mg/ml (1.2%) High concentration: 18 mg/ml (1.8%) or higher Nicotine salts: Some pod systems and disposable vapes use nicotine salts, which offer higher strengths, such as 20 mg/ml (2%) to 50 mg/ml (5%)
More specifically: Respiratory Complications The use of tobacco or smoking disrupts the normal functioning of the lungs and reduces an individuals breathing capacity
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The laundry list of WHO's concerns includes the lack of conclusive studies and information about electronic-cigarette contents and their long-term health effects, he said