Daraasad ay samaysay maamulka badbaadada waddooyinka ee National Highway Traffic Safety Administration (NHTSA) ayaa daaha ka qaaday in darawalada isticmaala xashiishadda aysan hadda la kulmin halista shil.
NHTS waxay samaysay daraasad ay ku doonayso inay ku soo afjarto su'aal hore: ka dib, darawalnimada ka dib sigaar cabista xashiishadda waxay kordhisaa khatarta shil ama maaha? Falanqaynta ugu horreysa waxay noo horseedaysaa inaan ku jawaabno haa, sababtoo ah saameynta la og yahay ee xashiishadda, waxaa jira isbeddelka aragtida goobta iyo dareenka nasashada ee dareenka. Laba arrimood oo mudnaanta koowaad u muuqda inay hagaajinayaan arrintan.
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Si kastaba ha ahaatee, sida lagu sheegay daraasad ay samaysay NHTSA, khatarta sii kordheysa ee shilalka la xidhiidha isticmaalka xashiishadda ayaa laga yaabaa inay aad u yar tahay marka loo eego darawalka xaaladdiisa caadiga ah. Gabagabada waxay ka soo baxday daraasad la sameeyay in ka badan 20 bilood, oo daboolay muunad guud oo ah 10,858 kirishbooyada. Marka la falanqeynayo kaliya xogta ceyriinka ah, cilmi-baarayaashu waxay ogaadeen khatarta shilalka ilaa 25% ka sarreeya darawalada ku hoos jiray saameynta daroogadan.
Si kastaba ha ahaatee, marka la falanqeynayo xogta si faahfaahsan - kala saarista darawalada qaybo kala duwan - cilmi-baarayaashu waxay soo gabagabeeyeen in kororkani uu dhacay kaliya sababtoo ah inta badan darawalada muunada ee shilalka ku lug leh waxay ahaayeen dhalinyaro, da'doodu tahay 18-30 sano - kuwa ugu badan ee dabeecadaha khatarta ah. .
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Marka arrimaha kale ee tirakoobka ay galeen falanqaynta (da'da, jinsiga, iwm.), xisaabinta ayaa muujisay in kororka dhabta ah ee khatarta shilalka ka dib isticmaalka xashiishadda ay ahayd 5% kaliya. Khatar hoos ugu dhacday ku dhawaad 0% marka la barbar dhigo xashiishadda, saamaynta khamriga ee shilalka.
Sidaa darteed, daraasadda NHTSA waxay ku soo gebogebeysay in isticmaalka xashiishadda aysan "si weyn u kordhinayn halista ku lug lahaanshiyaha shilalka", sababtoo ah tirada darawallada, ee da'doodu u dhaxayso 18 iyo 30 sano, ee ku lug leh shilalka iyaga oo aan isticmaalin xashiishadda waxay la mid tahay darawallada. yaa cunay walaxda.
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Xigasho: NHTSA / Sawirada: Washington Post