Daraasad ku saabsan US Geisel School of Medicine (Dartmouth) waxay soo jeedinaysaa in isticmaalka sigaarka elektaroonigga ah ama daaweynta beddelka nicotine inta lagu jiro uurka ay kordhin karto halista dhimashada degdegga ah ee dhallaanka, gaar ahaan haweenka qaba yaraanta serotonin, " hormoonka farxadda ".
Nikotiin, khatar bay u tahay dhallaanka?
Daraasad cusub, oo lagu daabacay Journal of Physiology » waxay tusinaysaa in isticmaalka beddelka nikotiinta (sigaarka elektarooniga ah, patch ama lozenge) ay kordhin karto halista dhimashada degdega ah ee dhallaanka, gaar ahaan dumarka ay ku yar tahay serotonin (ama 5-HT).
Daraasadda oo lagu sameeyay jiirka, ayaa daaha ka qaaday in la kulanka jiirarka dhallaanka ah ee nicotine-ku ay wiiqdo awoodda neefsiga, gaar ahaan marka ay leeyihiin yaraanta serotonin. Qorayaasha daraasadda ayaa sidaas soo jeedinaya Soo-gaadhista hooyada ee nicotine-ku waxay dhigtaa dhallaanka qaba nuglaansho kale, sida yaraanta 5-HT, oo halis sare ugu jirta hypoxia daran, anoxia, iyo neefta. »
Xusuusnow in isticmaalka beddelka nicotine-ka la oggol yahay xilliga uurka, iyada oo la raacayo kormeerka dhakhtarka, oo uu ku sii jiro - xilligan xaadirka ah - beddelaad xiiso leh oo ka caawiya haweenka uurka leh inay iska jaraan sigaarka. Waxaan ognahay in walxaha waxyeelada leh ee ku jira sigaarka, oo uu ku jiro nikotiinka, ay ka gudbaan xannibaadda mandheerta oo ay horseedaan hoos u dhigista sahayda ogsijiinta ee ilmaha. Qiiqu wuxuu kaloo keenaa garaaca wadnaha oo degdega iyo korodhka cadaadiska dhiigga.
Sigaarka elektaroonigga ah, jeexjeexa halista lagu qiimeeyay sigaarka
Laba sano ka hor xaashi macluumaad ah oo ay soo saareen xubnaha ururka " Kooxda Loolanka Uurka ee Sigaarka » wax laga qabtay xaaladda gaarka ah ee isticmaalka 
sigaarka elektaroonigga ah xilliga uurka. Hagahaan dhameystiran ee umulisooyinka ayaa sharaxaya:
« Sigaarka elektaroonigga ah maaha mid gebi ahaanba bilaash ah, si kastaba ha ahaatee, iyadoo lagu salaynayo caddaymaha hadda jira, waxa la ogaaday inay sitaan qayb yar oo ka mid ah khatarta sigaarka lagu qiimeeyay. Haddii aad isticmaasho sigaarka elektaroonigga ah, waxay kaa caawinaysaa inaad ka fogaato sigaarka, aad bay adiga iyo ilmahaagaba uga badbaadsan tahay inaad sigaarka cabtaan. »
source : Geiselmed.dartmouth.edu / doctissimo.fr
