Medical

Vaping could leave body undefended against cancer risk

Vaping could leave body undefended against cancer risk”

Experts at the New York University carried out the research which involved exposing a human and mice bladder and lung cells to e-cig smoke and watching what damage it caused.

Researchers subjected cultured human bladder and lung cells to e-cigarette vapor which is created to avoid the carcinogenic byproducts of tobacco. "The results may take years to come in because cancer is such a slow process", he said.

There was also conclusive evidence that e-cigarettes can explode and cause burns and projectile injuries. "The best current estimate is that vaping poses, at worst, some 5% of risks of smoking".

The researchers said that if the findings will be confirmed in future studies, it could mean that e-cigarettes, always been considered to be the safer alternative to traditional cigarette and tobacco products, also carry cancer risk through the nicotine that they deliver.

Recent studies have shown that e-cigarette smokers have 97% less of a lung carcinogen known as NNAL in their bodies than tobacco smokers.

This is avoided in e-cigarettes, with nicotine delivered through aerosols without burning tobacco. Participants tended to go longer in the morning before having a vape, they reduced to e-liquids with less nicotine over time and some vaped only zero nicotine e-liquids. This amounted to what Hajek called "extremely large doses of nicotine". Their organs were likewise less able to fix DNA.

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

A comprehensive review of the scientific literature, released earlier this month by the US National Academies of Science, found that vaping is likely less harmful than cigarettes, but may lead to addiction in young people.

In 2016, the FDA finalized a rule extending its regulatory authority to all tobacco products, including e-cigarettes, cigars, as well as hookah and pipe tobacco, as part of its goal to improve public health. Instead they contain nicotine, which is what keeps people addicted, but is not responsible for the major health harms from smoking. They found remarkable differences in levels of potentially toxic chemicals among e-cigarette users and smokers.

"Research in people has shown that those who make a complete switch from smoking tobacco to e-cigarettes can significantly reduce their exposure to key harmful chemicals in tobacco smoke".

The news may come as a shock for many users of e-cigarettes, as vaping has grown in popularity due to its percieved health advantages over smoking tobacco.



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