Abantwana abaya kwi-kindergartens abasengozini yokuxhatshazwa ngumhlaza wegazi, izazinzulu
Izazinzulu zaseYunivesithi yaseCalifornia ziye zagqiba ukuba amathuba okuba ne-leukemia ancitshiswa kwiimeko ezinjalo malunga ne-1/3, ukuhlola abantwana abangama-20,000. Ukungakhuselekanga komdlavuza wegazi kunokuhlakulela ngenxa yezifo ezininzi abantwana abahlala besuleleke kuzo kwi-kindergartens. Kwaye kunokwenzeka ukuba kwikamva uza kuba ngumngcipheko ngakumbi xa wayeseneminyaka yakhe yokuqala umkhuhlane wengane ikhula phantsi kweemeko ze-hothouse. Ngokwezibalo, enye yeenkunzi ezingama-20 000 zineengxaki ze-leukemia, uhlobo oluqhelekileyo lomhlaza wengane kumazwe ashishino.