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But that could never be proven until our study, since there was no way to accurately quantify mutations in normal cells, said Jan Vijg, Ph.D., a study co-senior author and professor and chair of genetics, professor of ophthalmology and visual sciences, and the Lola and Saul Kramer Chair in Molecular Genetics at Einstein (also at the Center for Single-Cell Omics, Jiaotong University School of Medicine in Shanghai, China)

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Only duty-free shoppers have the option of buying cigarettes without the accompanying gory picture warnings that cover 50 per cent of the pack, a requirement under the National Anti-Tobacco Law since it was passed in mid-2012

Heres why: Speed of delivery: Cigarettes deliver nicotine faster, producing a sharper hit. Additives: Cigarettes contain other chemicals that can enhance nicotines effects, including acetaldehyde and ammonia

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