Important scientific evidence about secondhand smoke from e-cigarettes has emerged: a team of researchers from the University of Catania, Italy, A paper published in 2023 showed that cigarette smoke contains considerable cytotoxicity, inducing DNA mutations and heredity, but that these toxic effects are virtually undetectable in e-cigarette smoke.
In his paper, Massimo Caruso describes a previous study that used the same assay and found that the cytotoxicity of e-cigarette smoke was 300 times lower than that of cigarette smoke. “Our study reconfirms that e-cigarettes are significantly less toxic than cigarettes, which convinces us that e-cigarettes are a very useful tool for smokers who want to reduce harm.” said Massimo Caruso, professor at the Center of Excellence for Accelerated Tobacco Harm Reduction (CoEHAR) at the University of Catania. He is also one of the authors of the paper.
As the world’s leading research organization in the field of tobacco harm reduction, CoEHAR has published a number of important results in recent years confirming the harm reduction effects of e-cigarettes: a 2020 study showed that smokers with chronic obstructive pulmonary disease (COPD) progressed 50% less quickly after switching to e-cigarettes; and a 2022 study showed that e-cigarettes do not damage the cardiovascular system, which cigarettes are prone to, and that e-cigarettes do not damage the cardiovascular system, which cigarettes do. brain attacks and strokes.
The main hazards of cigarettes (more than 4,000 chemicals and 69 carcinogens) are produced when tobacco is burned, however, e-cigarettes do not contain the tobacco combustion process, which reduces the hazards of cigarettes by 95%. It is a scientific fact that has to be recognized that e-cigarettes can significantly reduce the harm suffered compared to cigarettes.
Research by the U.S. Food and Drug Administration (FDA) has indicated that smokers who switch to e-cigarettes experience a decrease in their urine biomarker levels of a number of carcinogens by up to 95%.
The FDA is one of the most authoritative public health organizations in the world. Testing biomarker levels means testing for indicators related to the metabolites produced in the urine of carcinogens in tobacco after they are inhaled by smokers.
Tobacco is harmful because it contains three major “culprits”: tobacco-specific nitrosamines, carbon monoxide, and polycyclic aromatic hydrocarbons, which the FDA researchers left alone:”Several studies have confirmed that biomarker levels of these three substances in the urine of e-cigarette users are either extremely low or undetectable. not detectable.” It’s a foregone conclusion that e-cigarettes reduce the major harms of cigarettes.
As for other harmful substances, FDA researchers searched and screened a total of more than 5,000 relevant studies from around the world over the past eight years. The results showed consistent evidence that e-cigarette users generally inhaled lower levels of carcinogens than cigarette smokers. Smokers who switched to e-cigarettes also inhaled significantly lower levels of many harmful substances.
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