The researchers also exposed cultured human lung and bladder cells to nicotine, and found the same effects - DNA damage and suppressed DNA fix.
It is well known that tobacco smoke is full of nasty chemicals that can cause cancer and other health problems.
There was also conclusive evidence that e-cigarettes can explode and cause burns and projectile injuries. On the other, there are those who say that vaping's risks are unclear and might still rival that of traditional smoking.
Dr. Moon-shong Tang, team leader, said, as quoted by the Independent, "We propose that ECS (e-cigarette smoke) is carcinogenic and that e-cig smokers have a higher risk than non-smokers to develop lung and bladder cancer and heart diseases". DNA adducts do not inevitably result in mutation, and if the DNA is repaired in time, such damage can be avoided. While there have been studies suggesting that e-cigs are probably less harmful, this indicates that you're still facing some of the same dangers.Читайте также: Officer Who Pushed False Hawaii Missile Alert Believed It Was Real
At the end of the three months, Tang found DNA damage in the hearts, lungs and bladders of mice exposed to the vapours that was not evident in a control group of animals that breathed filtered air. The study estimates that the risk of one cigarette per day is greater than previously thought and equals about half the risk of smoking 20 cigarettes a day.
In experiments on mice, Moon-Shong Tang, from New York University School of Medicine, and colleagues saw damage to the DNA and its ability to fix itself that elevate the risk of mutation and cancer development.
"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 number dropped from 15.2 percent in 2015 to 9.7 percent in 2016.
If Tang's findings are verified, they would add more impetus for public policies to require lower nicotine levels in tobacco cigarettes and to increase regulation of e-cigarettes, said Herbst, who was not involved with the current research.
Ultimately, whether these trends could lead to a whole new set of problems decades down the road is still a question for which we don't really have a good answer.При любом использовании материалов сайта и дочерних проектов, гиперссылка на обязательна.
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