The safety of electronic cigarettes, which is a continuing debate, remains clouded in controversy. A new study by researchers at Harvard T.H. Chan School of Public Health says that flavoring chemicals in e-cigarettes can cause lung damage.
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The safety of electronic cigarettes, which is a continuing debate, remains clouded in controversy. A new study by researchers at Harvard T.H. Chan School of Public Health says that flavoring chemicals in e-cigarettes can cause lung damage.