Cigarettes As Bad For Your DNA As Smoking Tobacco, Study Says

by Joy Montgomery January 31, 2018, 7:35
Cigarettes As Bad For Your DNA As Smoking Tobacco, Study Says

However, NNAL levels are still significantly higher in e-cigarette smokers than non-smokers, the authors of the new study point out. Nicotine inhaled from e-cigarettes could be converted into chemicals that damage DNA in the heart, lungs and bladder, according to the study.

For another part of the experiment, the scientists exposed cultured human cells to large quantities of nicotine in a lab and found similar effects on DNA damage and fix.

"Thus, although e-cigarette smoke has fewer carcinogens than tobacco smoke, E-cigarette smokers might have a higher risk than nonsmokers of developing lung and bladder cancers and heart diseases", said the study, led by Moon-shong Tang of the Institute of Environmental Medicine at New York University.

In the meantime, scientists are turning to animal experiments, which may be able to provide further evidence as to the full-blown effects of e-cigarette smoking in about a year.

There was also conclusive evidence that e-cigarettes can explode and cause burns and projectile injuries.

The long and short of it is that vaping with nicotine might increase the risk of cancer, although it's safer than smoking tobacco. Natural DNA fix mechanisms were also suppressed in the mice exposed to the smoke. "Some newer vapers still smoked, but they were still cutting down on cigarettes and some only smoked occasionally", Dr Truman says.

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Similar results were seen when cultured human lung and bladder cells were exposed to nicotine and nicotine derivatives.

E-cigarette smoke (ECS) delivers nicotine through aerosols without burning tobacco. A report released by the National Academies of Sciences, Engineering, and Medicine earlier this month revealed that vaping is less harmful than smoking conventional cigarettes. They found remarkable differences in levels of potentially toxic chemicals among e-cigarette users and smokers.

It said that the hazard to health arising from long-term vapour inhalation from the e-cigarettes available today is unlikely to exceed 5% of the harm from smoking tobacco.

Youth charity Fast Forward said some adults think they are "doing young people a favour" when buying them tobacco.

Ash Scotland chief executive Sheila Duffy added: "The tobacco industry uses every trick in the book to snare new young people into becoming smokers, with the result that 36 children start smoking every day in Scotland".

While tobacco smoke contains a host of unsafe chemicals, e-cig liquid consists only of nicotine and relatively harmless solvents.


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