Zotsatira zochititsa chidwi zidabwera kuchokera ku kafukufuku wokhudza tchizi ndi mkaka omwe adatenga zaka 25. Idachitidwa ndi asayansi ochokera ku Yunivesite ya Kum'mawa kwa Finland.
Iwo adawona otenga nawo mbali awiri kwa kotala la zana. Ndipo kafukufukuyu wasonyeza kuti kudya tchizi kungathandize kuchepetsa chiopsezo cha matenda a mtima.
Kwenikweni, zinthu zonse zamkaka zokhala ndi thovu monga tchizi, yoghurt, kefir ndi kanyumba tchizi zimakhala ndi phindu paumoyo wamtima posintha kuchuluka kwa cholesterol.
Malinga ndi zomwe adapeza, anthu omwe amamwa kwambiri mkaka wokhala ndi mafuta osakwana 3,5% anali ochepera 26% kudwala matenda amtima.
Odziwika kwambiri mwa omwe anali nawo anali kefir, anthu ankagwiritsa ntchito nthawi zambiri.
Chifukwa chiyani zakudya zofufumitsa zili ndi phindu lotere, asayansi sanafotokozebe. Izi zikhoza kukhala chifukwa cha mankhwala omwe amapangidwa panthawi ya fermentation.
Komabe, si zakudya zonse zomwe poyamba zinali mkaka zimakhala ndi phindu lotere. Choncho, batala kapena ayisikilimu, mwatsoka, alibe ubwino wotere.