Diabetes is a very common medical term, especially among the old. It is the fastest growing long term disease that affects millions of people in the world. According to the charity Diabetes UK, more than two million people in the UK have suffered from diabetes and over 750,000 are unaware of the condition. But how much do you know about diabetes and what is diabetes?

First of all, let’s have a look at the definition. Diabetes refers a group of diseases that affect how the body uses blood glucose, commonly called blood sugar. It may be due to lack of the hormone insulin or because the insulin that is available is not working effectively.

After understanding what diabetes is, let’s know some about the causes. Glucose is very important to our health because it is an important source of energy for the cells that make up our muscles and tissues. It is also the main source supply for our brain. However, once people have diabetes, no matter which type, it means that there is too much glucose in the blood. The causes may differ from person to person, maybe lack of insulin, body against insulin or both.

Besides what diabetes is and the causes, we should know that there are two main types, type 1 and type 2. Type 1 diabetes is named insulin-dependent diabetes mellitus and occurs at a younger age or childhood. About 75% of diabetes cases are belongs to type 2 diabetes. Gestational diabetes is another kind of diabetes, which occurs in pregnant women who have never had diabetes before but have high blood glucose during pregnancy.

The most concern thing about diabetes is the treatment for patients. However, diabetes is a kind of difficult and diffusing disease and there is no cure for it currently. What we can do is just to control its further development and treat the symptoms and complications.