Diabetes mellitus type 2 (also known as type 2 diabetes) is a long-term metabolic disorder that is characterized by high blood sugar, insulin resistance, and relative lack of insulin.

Common symptoms include increased thirst, frequent urination, and unexplained weight loss.

Symptoms may also include increased hunger, feeling tired, and sores that do not heal ULCER (wound becoming gangrene as result of micro circular problem ). Often symptoms come on slowly

. Long-term complications from high blood sugar include heart disease, strokes, diabetic retinopathy which can result in blindness, kidney failure, and poor blood flow in the limbs which may lead to amputations.The sudden onset of hyperosmolar hyperglycemic state may occur; however, ketoacidosis is uncommon.

Type 2 diabetes primarily occurs as a result of obesity ( when the bmi is morethan 30 ) and lack of exercise.

Some people are more genetically at risk than others. Type 2 diabetes makes up about 90% of cases of diabetes, with the other 10% due primarily to diabetes mellitus type 1 and gestational diabetes.

In diabetes mellitus type 1 there is a lower total level of insulin to control blood glucose, due to an autoimmune induced loss of insulin-producing beta cells in the pancreas, which is located in the islet of langarhan

Diagnosis of diabetes is by blood tests such as fasting plasma glucose, oral glucose tolerance test, or glycated hemoglobin (A1C).

Type 2 diabetes is partly preventable by staying a normal weight, exercising regularly, and eating properly.

Treatment involves exercise and dietary changes. If blood sugar levels are not adequately lowered, Many people may eventually also require insulin injections.but it has actually failed to addressed to the medical issue In those on insulin, routinely checking blood sugar levels is advised; however, this may not be needed in those taking pills.

Rates of type 2 diabetes have increased markedly since 1960 in parallel with obesity.[ As of 2015 there were approximately 392 million people diagnosed with the disease compared to around 30 million in 1985 Typically it begins in middle or older age, although rates of type 2 diabetes are increasing in young people Type 2 diabetes is associated with a ten-year-shorter life expectancy. Diabetes was one of the first diseases described.

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