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.
Zininzi izizathu zokukholelwa ukuba abantwana kufuneka bavezwe kwizinto zokugcina amajoni emizimba yabo enamandla, ukuze ukuba bathe badibana nento eyingozi kakhulu, banamanye amajoni omzimba okunokuthi awele kwaye ancede abakhusele kwezo zinto. Utsho uSara Sawyer, unjingalwazi webhayoloji yemolekyuli, yeselula kunye nophuhliso kwiYunivesithi yaseColorado Boulder.