Diabetes mellitus (DM), commonly referred to as diabetes, is a group of metabolic disorders in which there are high blood sugar levels over a prolonged period. Diabetes is due to either the pancreas not producing enough insulin or the cells of the body not responding properly to the insulin produced.

So, let’s see the types of Diabetes mellitus.

Type 1 Diabetes mellitus

This results from the pancreas’s failure to produce enough insulin. This form was previously referred to as “insulin-dependent diabetes mellitus” (IDDM) or “juvenile diabetes”.

Type 2 Diabetes mellitus

It begins with insulin resistance, a condition in which cells fail to respond to insulin properly.  As the disease progresses a lack of insulin may also develop.  This form was previously referred to as “non insulin-dependent diabetes mellitus” (NIDDM) or “adult-onset diabetes”. The most common cause is excessive body weight and insufficient exercise.

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Gestational diabetes

This is the third main form of Diabetes, and occurs when pregnant women without a previous history of diabetes develop high blood sugar levels.

Credit: Wikipedia


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