Okuqukethwe
Emhlabeni wenyama kuhamba amahemuhemu amaningi nezinganekwane. Abalimi bemifino bakholelwa ukuthi lo mkhiqizo uqala ukubola umzimba wethu futhi kuphazamise impilo. Ingabe kunjalo ngempela? Futhi yimaphi amaqiniso ngenyama okufanele siyazi?
Inyama iwumthombo we-cholesterol.
Abamelene nenyama bathi ukusetshenziswa kwayo kuholela ekukhuleni kwe-cholesterol egazini.
I-cholesterol inikeza umsebenzi obalulekile emzimbeni wethu. Igcwalisa ulwelwesi lweseli futhi ivuselele ukukhiqizwa kwamahomoni. Isibindi - irekhodi lenqubo, kepha lapho i-cholesterol ingena emzimbeni wethu nokudla, lesi sitho siqala ukukhiqiza ama-hormone ngamanani amancane, ngaleyo ndlela sinikeze ibhalansi oyifunayo emzimbeni.
Vele, ngenyama, kuza inqwaba ye-cholesterol; nokho, isithombe esiphelele asithinteki kakhulu.
Inyama ibola emathunjini
Umbono wokuthi inyama ayigaywa ngumzimba kepha ibola emathunjini ayilungile. Ithonya le-asidi nama-enzyme lisikaza isisu; iphula amaprotheni abe ama-amino acid kanye namafutha abe ngamafutha acid emathunjini. Bese kuthi ngodonga lwamathumbu, konke kuphelela egazini. Futhi kuphela i-fiber esele echitha isikhathi emathunjini, kanye nanoma iziphi izinsalela zokudla.
Inyama icasula isifo senhliziyo kanye nohlobo 2 lwesifo sikashukela.
Lezi zifo ziholela ekutheni kube nezinsolo zobungozi benyama. Nokho, ososayensi abenza ucwaningo kulo mkhakha baye baphetha ngokuthi akukho ukuhlobana phakathi kokudla inyama nesifo senhliziyo noma isifo sikashukela. Kodwa-ke, imikhiqizo evela enyameni egayiwe enezinto eziningi ezilondolozayo iyandisa ngempela ingozi yazo nezinye izifo.
Inyama ebomvu iholela kumdlavuza.
Lesi sitatimende sithusa bonke abalandeli benyama ebomvu - inyama ebomvu edala umdlavuza wamathumbu. Kepha, ososayensi abasheshi ngeziphetho ezinjengalezi. Noma iyiphi inyama, njengoba, empeleni, umkhiqizo olungiselelwe ngokungafanele, ungasibangela lesi sifo. Ukudla okuphekwe ngokweqile kuqukethe ama-carcinogens amaningi ayingozi kubantu.
Umzimba womuntu awuklanyelwe ukwamukela inyama.
Abamelene nenyama baphikisa ngokuthi izidalwa ezidliwayo ziyizilwane. Ngokuya ngocwaningo, ukwakheka kwesistimu yethu yokugaya ukudla kulungele ukwamukela ukudla okuvela ezilwaneni. Isibonelo, isisu sethu sine-hydrochloric acid ephula amaprotheni. Futhi ubude bamathumbu ethu buvumela ukucabanga ukuthi lowo muntu uphakathi kwendawo edla imifino nesilwane esidla ezinye.