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both product types delivered substantial levels of the measured toxicants

Some of the relative risk data from epidemiology studies are heterogeneous, and as a result any calculation must be inexact to some extent, and attempts to calculate confidence intervals are likely to give a misleading impression of precision

Experts have explained why smoking cigarettes is so bad for health Professor David Phillips, an author on the paper and Professor of Environmental Carcinogenesis at Kings College London, said: Mutations caused by direct DNA damage from carcinogens in tobacco were seen mainly in organs that come into direct contact with inhaled smoke

"Because e-cigarettes deliver nicotine more slowly than traditional cigarettes, they may serve as a 'nicotine starter,' allowing a new user to advance to cigarette smoking as he or she becomes tolerant of the initial adverse effects." The researchers also point out that there are more similarities between e-cigarettes and regular cigarettes than the general public is willing to admit

Retrieved 25 September 2015