{"id":30669,"date":"2019-07-21T07:27:28","date_gmt":"2019-07-21T05:27:28","guid":{"rendered":"https:\/\/www.naturalscience.org\/?p=30669"},"modified":"2021-11-09T10:42:16","modified_gmt":"2021-11-09T09:42:16","slug":"les-cigarettes-electroniques-endommagent-les-cellules-souches-du-cerveau","status":"publish","type":"post","link":"https:\/\/www.naturalscience.org\/fr\/news\/2019\/07\/les-cigarettes-electroniques-endommagent-les-cellules-souches-du-cerveau\/","title":{"rendered":"Les cigarettes \u00e9lectroniques endommagent les cellules souches du cerveau"},"content":{"rendered":"

Les cigarettes \u00e9lectroniques sont tr\u00e8s populaires aupr\u00e8s des jeunes et ont \u00e9t\u00e9 promues par les producteurs et certains gouvernements comme \u00e9tant plus s\u00fbres que le tabac. En effet, certains gouvernements pr\u00e9tendent que les cigarettes \u00e9lectroniques sont presque inoffensives. Toutefois, il y a maintenant une quantit\u00e9 de preuves montrant que ce n\u2019est pas vrai. Une \u00e9tude apr\u00e8s l\u2019autre continue de montrer que la vapeur de cigarette \u00e9lectronique est nocive et n\u2019est pas tr\u00e8s diff\u00e9rente de la fum\u00e9e du tabac quant aux m\u00e9faits caus\u00e9s !<\/p>\n

Une \u00e9tude r\u00e9cemment publi\u00e9e r\u00e9v\u00e8le que les cigarettes \u00e9lectroniques peuvent endommager les cellules souches du cerveau. L\u2019\u00e9tude montre que les mitochondries dans les cellules souches neurales sont sous le stress des produits chimiques de la vapeur des cigarettes \u00e9lectroniques. La r\u00e9action mitochondriale est la m\u00eame lorsque les cellules subissent un stress oxydatif. Les effets \u00e0 long terme de tels dommages mitochondriaux sont le vieillissement pr\u00e9matur\u00e9 (pas seulement dans l\u2019apparence de la peau mais dans le fonctionnement normal des organes internes) et les maladies. Les auteurs de l\u2019\u00e9tude signalent que tout produit contenant de la nicotine est susceptible de causer de tels dommages cellulaires. La nicotine se fixe aux r\u00e9cepteurs dans les membranes des cellules souches neurales et provoque l\u2019ouverture du canal calcique d\u00e9pendant du voltage, ce qui entra\u00eene un d\u00e9bordement d\u2019ions calcium dans la cellule. Ceci conduit au stress oxydatif et potentiellement \u00e0 la cr\u00e9ation de radicaux libres. C\u2019est exactement le m\u00eame effet sur les cellules que celui produit par les champs \u00e9lectromagn\u00e9tiques !<\/p>\n

Malgr\u00e9 le poids \u00e9crasant des preuves montrant que les cigarettes \u00e9lectroniques sont tr\u00e8s toxiques, il y a eu une augmentation incroyable du nombre de jeunes et de jeunes adultes qui vapotent. Les producteurs de cigarettes \u00e9lectroniques ont \u00e9t\u00e9 accus\u00e9s d\u2019avoir d\u00e9lib\u00e9r\u00e9ment fait la promotion de leurs produits aupr\u00e8s des jeunes presque de la m\u00eame fa\u00e7on que les fabricants de tabac le faisaient. Juul est particuli\u00e8rement inqui\u00e9tante en raison de sa teneur \u00e9lev\u00e9e en nicotine, qui cr\u00e9e une d\u00e9pendance extr\u00eame. Ceux qui vapotent sont aussi beaucoup plus susceptibles d\u2019essayer les cigarettes de tabac.<\/p>\n

Alors que de plus en plus de preuves \u00e9mergent sur le pr\u00e9judice caus\u00e9 par les cigarettes \u00e9lectroniques, il est important que les villes et les nations adoptent une position similaire \u00e0 celle de la ville de San Francisco en interdisant enti\u00e8rement la vente de cigarettes \u00e9lectroniques !<\/p>\n

Sources:<\/p>\n

Les cigarettes \u00e9lectroniques causent des dommages biologiques (en anglais) :
\nhttps:\/\/www.naturalscience.org\/publications\/the-danger-of-electronic-cigarettes-creating-a-new-generation-of-nicotine-addicts\/<\/a><\/p>\n

\u00c9tude montrant que les cellules souches du cerveau sont endommag\u00e9es par les cigarettes \u00e9lectroniques (en anglais) :
\nZahedi et al., Mitochondrial Stress Response in Neural Stem Cells Exposed to Electronic Cigarettes, iScience 16, 250\u2013 269, June 28, 2019 a 2019.
\nhttps:\/\/www.sciencedirect.com\/science\/article\/pii\/S2589004219301713<\/a>
\net
\nhttps:\/\/news.ucr.edu\/articles\/2019\/07\/01\/study-finds-electronic-cigarettes-damage-brain-stem-cells<\/a><\/p>\n

Marketing des e-cigarettes (en anglais) :
\nhttps:\/\/www.ibtimes.com\/juul-ceo-apologizes-youth-vaping-epidemic-2806468<\/a><\/p>\n

Niveaux \u00e9lev\u00e9s de nicotine dans Juul (en anglais) :
\nR. Jackler, D. Ramamurthi (2018) Nicotine arms race: JUUL and the high-nicotine product market, BMJ Tobacco Control, https:\/\/tobaccocontrol.bmj.com\/content\/early\/2019\/01\/31\/tobaccocontrol-2018-054796<\/a><\/p>\n

Les champs \u00e9lectromagn\u00e9tiques et les canaux calciques d\u00e9pendants du voltage (en anglais) :<\/p>\n

Martin Pall (2018), 5G: Great risk for EU, U.S. and International Health! Compelling Evidence for Eight Distinct Types of Great Harm Caused by Electromagnetic Field (EMF) Exposures and the Mechanism that Causes Them, https:\/\/peaceinspace.blogs.com\/files\/5g-emf-hazards–dr-martin-l.-pall–eu-emf2018-6-11us3.pdf<\/a><\/p>\n

San Francisco interdit les cigarettes \u00e9lectroniques :
\nhttps:\/\/www.naturalscience.org\/fr\/news\/2019\/06\/san-francisco-interdit-la-vente-des-cigarettes-electroniques\/<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"Les cigarettes \u00e9lectroniques sont tr\u00e8s populaires aupr\u00e8s des jeunes et ont \u00e9t\u00e9 promues par les producteurs et certains gouvernements comme \u00e9tant plus s\u00fbres que le tabac. En effet, certains gouvernements pr\u00e9tendent que les cigarettes \u00e9lectroniques sont presque inoffensives. Toutefois, il y a maintenant une quantit\u00e9 de preuves montrant que ce n\u2019est pas vrai. Une \u00e9tude […]","protected":false},"author":11,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"ngg_post_thumbnail":0,"footnotes":""},"categories":[199,204],"tags":[],"class_list":["post-30669","post","type-post","status-publish","format-standard","hentry","category-tabagisme","category-sante","wpautop"],"acf":[],"yoast_head":"\nLes cigarettes \u00e9lectroniques endommagent les cellules souches du cerveau - The World Foundation for Natural Science<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.naturalscience.org\/fr\/news\/2019\/07\/les-cigarettes-electroniques-endommagent-les-cellules-souches-du-cerveau\/\" \/>\n<meta name=\"twitter:label1\" content=\"\u00c9crit par\" \/>\n\t<meta name=\"twitter:data1\" content=\"Monika Waldmann\" \/>\n\t<meta name=\"twitter:label2\" content=\"Dur\u00e9e de lecture estim\u00e9e\" \/>\n\t<meta name=\"twitter:data2\" content=\"3 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.naturalscience.org\\\/fr\\\/news\\\/2019\\\/07\\\/les-cigarettes-electroniques-endommagent-les-cellules-souches-du-cerveau\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.naturalscience.org\\\/fr\\\/news\\\/2019\\\/07\\\/les-cigarettes-electroniques-endommagent-les-cellules-souches-du-cerveau\\\/\"},\"author\":{\"name\":\"Monika Waldmann\",\"@id\":\"https:\\\/\\\/www.naturalscience.org\\\/#\\\/schema\\\/person\\\/f3e16bb7057b29f8593016bf70a42022\"},\"headline\":\"Les cigarettes \u00e9lectroniques endommagent les cellules souches du cerveau\",\"datePublished\":\"2019-07-21T05:27:28+00:00\",\"dateModified\":\"2021-11-09T09:42:16+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.naturalscience.org\\\/fr\\\/news\\\/2019\\\/07\\\/les-cigarettes-electroniques-endommagent-les-cellules-souches-du-cerveau\\\/\"},\"wordCount\":619,\"articleSection\":[\"Tabagisme\",\"Sant\u00e9\"],\"inLanguage\":\"fr-FR\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.naturalscience.org\\\/fr\\\/news\\\/2019\\\/07\\\/les-cigarettes-electroniques-endommagent-les-cellules-souches-du-cerveau\\\/\",\"url\":\"https:\\\/\\\/www.naturalscience.org\\\/fr\\\/news\\\/2019\\\/07\\\/les-cigarettes-electroniques-endommagent-les-cellules-souches-du-cerveau\\\/\",\"name\":\"Les cigarettes \u00e9lectroniques endommagent les cellules souches du cerveau - 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