This means that their bodies are relatively resistant to the insulin that they produce, so to keep their blood sugar in the normal range, they have to compensate by making more insulin.
Oku kuxela ukuba imizimba yawo ayivani ne-insulin ayikhuphayo, ngoko ke ukuze bagcine iswekile yabo esegazini ikwiqondo elifanelekileyo kufuneka bakhuphe i-insulin eyongezelelekileyo.