Njalo ngonyaka, ibutho labalandeli bokudla okunempilo liyakhula, ngakho-ke kuyaqondakala ukuthi abantu baqala ukucabanga ngezinzuzo nokulimaza kwemikhiqizo ethile. Abantu abaningi bayazibuza ukuthi kungani kungenakwenzeka ukuphuza ubisi kubantu abadala, ngoba lesi siphuzo sinikezwa umuntu ozalwa. Kunemibono eminingi ngale ndaba futhi ezinye zazo ziyinganekwane nje.
Kungani ungakwazi ukuphuza ubisi kubantu abadala?
Okokuqala, ake sibheke okuvamile, kodwa kungaqinisekiswa, imibono yesayensi. Njengoba ubisi kudingekile ukuhlukaniswa kwamaseli, okubalulekile ezinganeni, lapho ukukhula komzimba kuyeka, isimo esifanayo singaholela ekwakheni izicubu. Omunye umbono, ukuthi kungani abantu asebekhulile bengakwazi ukuphuza ubisi , ngenxa yokuthi umzimba womuntu awunayo i-enzyme eyenza ukuphuka kwe-protein casein. Ngenxa yalokho, ubisi lugcinwa isikhathi eside emzimbeni, okuyinto ethinta kabi uhlelo lokugaya.
Ezinye izizathu zokuthi kungani asebekhulile bengenakuphuza ubisi:
- Kukhona abantu abanobe banesilazi yobisi bangabangela ukuthuthukiswa kokungezwani komzimba.
- I-anemia yisifo esivamile phakathi kwabantu abadala, futhi ubisi kunciphisa ukungena kwensimbi okudingekayo kule nkinga.
- Abantu abaningi abaneminyaka yobudala, bangaphezu komzimba, kodwa ubisi luwumkhiqizo ophezulu wekhalori, ngakho kufanele udliwe ngobuningi obulinganiselwe.
- Uneminyaka yobudala, izitho zesistimu yokugaya ukudla
uzwela kakhulu, ngakho ubisi lungabangela ukukhungatheka futhi kuthinte kabi i-microflora. - Uma uphuza ubisi ukudla okunomsoco okunomsoco, ungase uzwe umuzwa wokukhulupha nobuhlungu.
Kumele uqaphele ukuthi akubona bonke abathengi ubisi ngumkhiqizo wemvelo, futhi abakhiqizi abaningi basebenzisa ama-powders nezinye izithasiselo eziyingozi emzimbeni noma kunini. Into engcono kakhulu ukunikeza uketshezi lobisi lwezinkomo noma lwezimbuzi.