20 декабря 2016
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Выпуск: №155, декабрь 2016 Врач1332 просмотров
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Электронные сигареты небезопасны
Исследовательская группа из Университета Лаваль (Université Laval) под руководством Махмуда Руабхии (Mahmoud Rouabhia) провела эксперимент, в котором изучалось влияние пара, испускаемого электронными сигаретами, на эпителиальные клетки ротовой полости. Оказалось, что после такого воздействия большое количество клеток погибало. Этот же процесс происходит и в ротовой полости человека, считают исследователи.
В ходе исследования, результаты которого были опубликованы в Journal of Cellular Physiology в ноябре, эпителиальные клетки ротовой полости помещались в камеру, заполненную жидкостью, имитирующей слюну. Электронная сигарета выпускала в камеру пар по 5 секунд дважды за минуту. Процесс «парения» продолжался 15 минут в день. В первый, второй и третий дни эксперимента погибло 18 %, 40 % и 53 % клеток соответственно. Для сравнения, погибло только 2 % клеток, не подвергавшихся влиянию пара.
Полученные данные подтверждают, что электронные сигареты не так безопасны, как принято считать. Несмотря на то что состав испускаемого ими пара отличается от состава сигаретного дыма, пар всё равно оказывает негативное влияние на клетки, вызывая их гибель.
Источники:
news-medical.netonlinelibrary.wiley.com
1332 просмотров
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