Anthu 9 peresenti ndi eni a rarest ndi gulu laling'ono la magazi - lachinayi. Idawoneka chifukwa cha kusakaniza magulu awiri ndi atatu. Pali mbali imodzi ya magulu a m'magazi: kudziletsa, kukhala wokonzeka, kusinthasintha, kukana kupanikizika, kukwanitsa kuganizira zovuta. Koma chitetezo cha anthu otere sichiri champhamvu kwambiri, zimakhala zotetezeka ku matenda a chitetezo cha mthupi komanso kuchepa kwa magazi m'thupi.
Oimira gulu la magazi achinayi ayenera kupatsa nyama zakutulu, mazira ndi utsi. Mukhoza kudya nsomba zamtundu uliwonse, kupatulapo nsomba, mkaka ndi mkaka wowawasa, nyemba zoumba nyemba, mafuta, mtedza. Nkhumba ndi nyemba siziyenera kukondwera, makamaka ngati atagwiritsidwa ntchito kwambiri mimba imamva. Mbewu ndi zipatso (kupatula zipatso za citrus) zimaloledwa pa chakudya cha mitundu 4 ya magazi mosawerengeka. Imwani tizilombo toyambitsa matenda (kupatula laimu), nthawi zina mumatha kumwa mowa pang'ono, vinyo wofiira ndi woyera.
Kwa iwo omwe amatsatira zakudya za magazi 4, munthu ayenera kusankha maphikidwe, kumene nyama ndi tirigu sizidzakhalapo mu mbale imodzi, chifukwa thupi lawo likhoza kusokoneza malondawa, ngakhale atasankhidwa payekhapayekha. Kudya kwa gulu 4 la magazi ndibwino kwa anthu, onse okhala ndi Rh factor komanso oipa.