Mitambo yemitambo pakati pemakore makumi mana nemakumi mashanu nemakumi mashanu inoderedza njodzi yekurohwa mukukwegura neinopfuura chetatu. Iyi ndiyo mhedziso yakasvikwa nevasayendisiti paUniversity yeTexas, vakaburitsa zvakabuda mukutsvaga kwavo mumagazini Stroke, vanonyora muchidimbu nezvake "Rossiyskaya Gazeta".
Chidzidzo ichi chaisanganisira vangangoita makumi maviri evarume nevakadzi vari pakati pemakore makumi mana nemakumi mashanu nemakumi mashanu, avo vakaitwa bvunzo dzehutano hwakasimba pachitsiko. Masayendisiti akateedzera hutano hwavo kusvika makore makumi matanhatu nemashanu ekuberekwa. Zvakazoitika kuti avo vane chimiro chemuviri pakutanga chaive nani, 20% kushoma kwekutambura sitiroko mukukwegura. Zvakare, mhedzisiro iyi haina kana kutsamira pazvinhu zvakaita seshuga uye kuwedzerwa kweropa.
Icho chokwadi ndechekuti kurovedza muviri kunosimudzira kuyerera kweropa kuenda kuuropi, nokudaro kuchidzivirira kuparara kwechisikigo kwenyama yayo.
“Tese tinogara tichinzwa kuti mutambo wakanaka, asi vanhu vazhinji havadaro. Tinovimba kuti dhata iyi yekudzivirira sitiroko ichabatsira kukurudzira vanhu kufamba uye kuva nehunhu hwakanaka, ”anodaro munyori wekudzidza Dr. Ambarisha Pandeya.