Overall rating

According to a from the American College of Chest Physicians: "Experts from the world’s leading lung organizations have released a on electronic cigarettes, focusing on their potential adverse effects on human health and calling on governments to ban or restrict their use until their health impacts are better known."

Similar data from the U.S. would be very helpful. But unlike prior reports, these ones should quantify not only experimentation, but also regular use, stratified by prior status as smokers versus nonsmokers.

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