E-cigarettes are still relatively new, and researchers need to conduct more analysis over a more extended period to know what the long-term effects may be
Many studies, including two recent studies published in the American Association for Cancer Research journal Cancer Epidemiology, Biomarkers & Prevention , have shown that the decline in cigarette smoking and exposure to secondhand smoke has not been uniform across all segments of the U.S
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Professor Chris Whitty, the governments chief medical adviser, shares their concern about e-cigarettes being marketed in a way that could encourage young people to try them, even though it is illegal to sell them to under-18s
