Zinthu zomwe zikukhudza moyo wa ntchito yautumiki

Kachiwiri, pamenenkhuniEmbryo akugwira ntchito, chifukwa pulasitiki ili ndi chloride ndi fluoride ndi zinthu zina, mpweya wina wamphamvu wowononga amasambitsidwa, ndikukulitsa kukwiya. Chonchonkhunimazira akuyenera kukana kuwonongeka.

Pali zinthu zambiri zomwe zimakhudza moyo wa mazira wamba a nkhungu, kuphatikizapo zinthu zakunja ndi zinthu zamkati. Zinthu zakunja zikutanthauza kuti malo akunja nthawi yogwira ntchito nkhungu, kuphatikiza madera, zida, kukonzanso, kukula, mawonekedwe, mawonekedwe a mluza wa nkhungu wa nkhungu udzatsimikiziridwa.