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Studies: Electronic cigarettes can also affect the heart function of mice

Studies: Electronic cigarettes can also affect the heart function of mice

2022-11-21

A study shows that electronic flue gas solids can be briefly disrupted in normal heart function in mice. Related studies have recently published in "Nature -Communication".


Electronic cigarettes do not deliver nicotine through burning tobacco. Therefore, electronic flue gas solids contain less carbon monoxide, tar and carcinogenic compounds than tobacco tobacco, which makes some people asserting that the electronic smoke is less harmful. However, the effects of electronic flue gas solution on the heart function and the role of some of these ingredients have not been fully tested.


In this study, Alex Carll at the University of Louisville and colleagues used mice to study the real -time impact of electronic flue gas -solidaries on the characteristics of cardiac electrical characteristics. In a series of experiments, the researchers exposed the mice to five different electronic flue gas solids, the main smoke from two different reference cigarettes, and acrylic (a gas produced by electronic cigarettes and cigarettes). Each experiment was each experiment. Including 6-8 mice. Starting from the baseline, during the inhalation exposure, the early stages of exposure (after 4-9 minutes each exposed), and after the exposure (9-28 minutes each exposed), the mice are monitored.


Studies have found that inhalation of electronic flue gas solution can cause mouse heart rate disorders, damage to the heart reexamination, and change the heart rate of mice. These are all caused by regulating the autonomous nervous system during the exposure. Researchers have found that some of these effects, including rising heart rate, will continue to the late exposure. However, the others are equivalent to the early post -exposure level. Researchers mentioned that after 28 minutes after the last exposure, these effects were not monitored.


Researchers believe that the nature and degree of these reactions may depend on the compounds in the electronic smoke liquid, such as nicotine, solvent and flavor. For example, mint -flavored electronic cigarettes were found to affect atrium conduction (electrical pulses via the heart of the heart room). In addition, electronic tobacco solvents are found to disturb the rhythm more obvious among male mice than in female mice, which means that the gender has an impact. However, only 4 female mice were used in these analysis, and the researchers proposed to interpret these findings carefully.


Studies emphasize that these reactions observed in rodents may be different from humans. They also mentioned that repeated exposure to e -cigarettes may cause human tolerance and reduce heart response, especially among adults with a history of smoking in the past.


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