Mawallafi: Florence Bailey
Ranar Halitta: 19 Maris 2021
Sabuntawa: 25 Satumba 2024
Anonim
Let’s Chop It Up (Episode 41) (Subtitles) : Wednesday August 4, 2021
Video: Let’s Chop It Up (Episode 41) (Subtitles) : Wednesday August 4, 2021

Wadatacce

Akwai dalilai da yawa don nisantar da matar a cikin gajeren wando na motsa jiki a kan jirgin karkashin kasa. Ba ko kadan daga cikinsu akwai kwayoyin cutar da ta tabbata za su shafa a kan kujera. Shin waɗannan ƙwayoyin cuta masu gumi za su iya cutar da ku a zahiri? Kuma me game da sauran wuraren taruwar jama'a kamar handrails da injin tikiti? Waɗannan gaba ɗaya babba ne, suma? Abin godiya, masana kimiyya sun kasance masu sha'awar sanin kowa da kowa (tunda dukkan mu mun wadatu sosai a yanzu).

Masu bincike daga Harvard T.H. Makarantar Kiwon Lafiyar Jama'a ta Chan ta gwada motoci daga layin jirgin karkashin kasa guda uku a Boston don gano ire -iren masu hawan jirgin karkashin kasa da ke shiga tsakanin juna. Ba abin mamaki bane, sun gano kujeru, bango, da sandunan motocin da fuska da bango kusa da injin tikiti-yep, kusan kowane saman-an rufe shi da ƙwayoyin cuta. Babban abin mamaki shi ne yawancin kwarorin da ake wucewa ba su da "mara kyau" - ma'ana ba a yi la'akari da su masu juriya ga maganin rigakafi ba kuma ba su da wasu cututtuka masu haɗari. A zahiri, masu bincike sun ce yankunan jirgin karkashin kasa da suka buge sun yi ƙasa a cikin waɗannan ƙananan ƙwayoyin cuta fiye da abin da ke cikin hanjin ku. (Whew, da ew!) Bugu da ƙari, an riga an rufe ku cikin ƙwayoyin cuta-Taswirar Kwayoyin Kwayoyin cuta na 3D sun Tabbatar da Ita.


Tiffany Hsu, marubucin karatu kuma mataimakiyar bincike a sashin nazarin halittu na makarantar ya ce "Mutane masu lafiya ba sa buƙatar damuwa." "Yawancin kurakuran da ake samu ana samun su ne akan fatar jikin mutum ta al'ada ko wuraren baka, don haka yawancin mutane za su iya ɗaukar su ma." Har yanzu, wanke hannayenku bayan hawa jirgin karkashin kasa ba zai yi zafi ba, in ji ta. (A daya bangaren kuma, akwai wata cuta mai tsanani da aka samu tana labe a wuraren wanka.)

Hsu da sakamakon abokan aikinta, waɗanda ake bugawa a wannan makon a cikin mujallar American Society for Microbiology mSystems, ba da tushen ƙananan ƙwayoyin cuta a can don haka masu bincike za su iya auna rikicin lafiyar jama'a na gaba, kamar babban barkewar mura.

Masu binciken sun kuma gano nau'ikan kwari daban-daban a wurare daban-daban. Fatar jiki da ƙananan ƙwayoyin cuta waɗanda ke yaduwa ta hanyar atishawa ko taɓawa ana samun su da yawa akan sandunan jirgin karkashin kasa, kuma ƙwayoyin cuta na farji sun kasance akan kujeru. Kalmar "kwayoyin cuta na farji" na iya sa ka firgita, amma ba yana nufin farjin mahayi ya shigo cikin hulɗar fata-zuwa wurin zama ba. Waɗannan nau'ikan kwari ana iya wuce su ta sutura. Kuma zai ɗauki abubuwa da yawa kafin su kamu da ku a zahiri, in ji Hsu. Dole ne ƙananan ƙwayoyin cuta su kasance da rai, suturar ku ta ɗauke su a wani yanki da za su iya rayuwa (a kan, ce, hannun ku), sannan su yi gasa da sauran kwari don samun tabo a cikin al'ummar microbe. (Ee, kuyi hakuri da bayar da rahoton cewa kuna da adadin kwari a kan ku a kowane lokaci.) Akwai wasu wuraren zafi duk da cewa sun ƙunshi ƙwayoyin cuta da ƙwayoyin cuta fiye da yadda kuke son sani game da su-koyi game da waɗannan abubuwa 10 da wataƙila ba za ku iya ba' ina son raba.)


Ƙasa ta ƙasa: Ko da yake an rufe hanyar jirgin ƙarƙashin ƙasa a cikin ƙananan ƙwayoyin cuta, da alama ba za ku ɗauki wasu ƙwayoyin ƙwayoyin farji na mata ba. "A yanzu, da alama ba za a iya canza su ba," in ji Hsu. "Fata da tsarin garkuwar jikin mu suna ba da babbar kariya!" Yana da kyau ku sani, amma babu wanda zai zarge ku don yanke shawarar tsayawa har zuwa tasha ta gaba.

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