Diabetes is a condition that causes a person to have an excessive level of blood sugar. The disease upsets the normal process of transferring sugar from the bloodstream into cells that need it for energy.
जब खून में ग्लूकोज़ (शर्करा या शुगर) की मात्रा बहुत ज़्यादा हो जाती है, तो उसे डायबिटीज़ कहते हैं ।