Masu bincike na kokarin gano dalilin da ya sa 'yan saman jannati komawa zuwa Duniya da Heart hangen nesa

Cosmonauts da 'yan saman jannati gudanar da wani dogon lokaci a kan orbital tashoshin, a mafi yawan lokuta koma duniya daga auku hangen nesa. Har yanzu, masana kimiyya ba su iya gano dalilin wannan sabon abu, wanda ke nufin cewa a karkashin barazana - da kiwon lafiya na mutanen da suke shirya domin ci daga m sarari a nan gaba. Kila, yanzu da kimiyya al'umma akwai wata alama da sabon abu.

Game da kashi 80 cikin dari na tabarbarewar 'yan saman jannati

Masu bincike a jami'ar Miami sun samu hanyar da take kaiwa zuwa wani m asarar hangen nesa. A cewar daban-daban kimomi, da tabarbarewar kiwon lafiya na ido baya ga Duniya game da kashi 80 cikin dari na binciken sararin samaniya. Da yawa daga cikinsu fada view tare da intracranial hauhawar jini. Duk da haka, masana kimiyya daga Miami ba a shirye su kai tsaye danganta biyu mamaki, muddin ba su da wani ra'ayi akwai. Tun da farko, hasashe da aka sanya a cikin kimiyya al'umma da cewa ruwa a weightlessness ba za a iya sake rabawa ta jiki kamar yadda ya aikata a duniya. Da alama cewa wadannan zaton samun hakikanin akai.

Abin da ya haddasa ido matsa lamba?

Gubar marubucin Noam Alperin ya ce nauyi yanayi a Duniya nauyi na jan ruwa abubuwa saukar da jiki. Duk da haka, a cikin yanayi na weightlessness lura ruwa hijirarsa a gaban shugabanci (ga shugaban). ruwa ya kwarara wa kwakwalwa sa karin intracranial matsa lamba da kuma ta redistribution a cikin kwasfa zone tsokani wani karuwa a intraocular matsa lamba. Mafi 'yan saman jannati gudanar weightlessness for watanni, koma duniya tare da astigmatism. Abin baƙin ciki, a mafi yawan lokuta, wannan cuta yana da komowar sakamakon. A wasu kalmomin, da hangen nesa da 'yan saman jannati samun muni ga sauran rayuwa.

Masana kimiyya sun jaddada cewa, wannan sabon abu ne muhimmi kawai ne ga waɗanda suke tilasta kasance a kan tashar sararin samaniya na dogon lokaci. Dr. Alperin ce cewa tabarbarewar da 'yan saman jannati tsunduma a takaice flights, aka rubuta.

cikakken jarrabawa

A ra'ayi na bincike tawagar ba duk jiki ruwaye. Masana kimiyya daga Miami da farko sha'awar a cikin cerebrospinal ruwa. Wannan abu ne aka yi nufi ga kare kwakwalwa da kuma laka daga vibration da kuma buga. A redistribution na girma na ruwa zuwa cikin ido kwasfansu tsokani tabarbarewar hangen nesa (da contours na abubuwa zama mai hazo da kuma Heart). Inflow na cerebrospinal ruwa ventricle to sa da intracranial matsa lamba. Shi ne ya kamata a lura da cewa a cikin sosai tsokoki na ciki gabobin da wadannan canje-canje da aka gano.

Search tsaro sunadaran

Results na binciken da aka gabatar a shekara-shekara haɗuwa da Radiological Society of North America, a Birnin Chicago. A cewar masana harkokin kimiyya, yanzu cewa ya saukar da dalilin da tabarbarewar da 'yan saman jannati, yana taimaka wa nemi hanyoyi daga cikin halin da ake ciki. NASA masana suna sha'awar gano wani bayani maza maza. Don wannan karshen, ma'aikata sarari dillancin shirin sake da yanayin weightlessness a duniya, kuma mafi bincike.