"There are a lot of reasons to believe that kids need to be exposed to things to keep their immunity complex, so that should they encounter something very dangerous, they have aspects of their immunity that might cross over and help protect them against those things," says Sara Sawyer, a professor of molecular, cellular and developmental biology at the University of Colorado Boulder.
Hariho impamvu nyinshi zituma twemera ko abana bakeneye guhura nibintu kugirango bagumane ubudahangarwa bwabo, kuburyo nibaramuka bahuye nikintu kibi cyane, bafite ingingo zubudahangarwa bwabo zishobora kwambuka zikabafasha kubarinda ibyo bintu, ibi bikaba byavuzwe na Sara Sawyer, umwarimu w’ibinyabuzima bya molekuline, selile n’iterambere muri kaminuza ya Colorado Boulder.