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Type 2 Diabetes
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Dec. 4, 2012 1:40 p.m.

What is type 2 diabetes?

Type 2 diabetes happens when your body can't use insulin the right way or when the pancreas can't make enough insulin.
Insulin is a hormone that helps the body's cells use sugar (glucose) for energy. It also helps the body store extra sugar in muscle, fat, and liver cells. Without insulin, this sugar can't get into your cells to do its work. It stays in your blood instead. Your blood sugar level then gets too high.
High blood sugar can harm many parts of the body, such as the eyes, heart, blood vessels, nerves, and kidneys. It can also increase your risk for other health problems (complications).
Type 2 diabetes is different from type 1 diabetes. In type 1 diabetes, the body's immune system destroys the cells that release insulin, so that over time the body can't produce insulin at all. In type 2 diabetes, the body still makes some insulin, but it can't use it the right way.
You can get type 2 diabetes if:
-Your body doesn't respond as it should to insulin. This makes it hard for your cells to get sugar from the blood for energy. This is called insulin resistance.
-Your pancreas doesn't make enough insulin.
If you are overweight, get little or no exercise, or have type 2 diabetes in your family, you are more likely to have problems with the way insulin works in your body. Type 2 diabetes can be prevented or delayed with a healthy lifestyle, including staying at a healthy weight, making healthy food choices, and getting regular exercise.

What are the symptoms?

Some people don't have symptoms, especially when diabetes is diagnosed early. This is because the blood sugar level may rise so slowly that a person may not know that anything is wrong.
The most common symptoms of high blood sugar include:
Feeling very thirsty.
Urinating more often than usual.
Feeling very hungry.
Having blurred vision.
You can get high blood sugar for many reasons, including not taking your diabetes medicines, eating more than usual (especially sweets), not exercising, or being sick or under a lot of stress.

How is it treated?

The key to treating type 2 diabetes is to keep blood sugar levels controlled and in your target range.
All of the following help to lower blood sugar:
Eating healthy foods.
Losing weight, if you are overweight.
Getting regular exercise.
Taking medicines, if you need them.
It's also important to:
See your doctor. Regular checkups are important to monitor your health.
Test your blood sugar levels. You have a better chance of keeping your blood sugar in your target range if you know what your levels are from day to day.
Keep high blood pressure and high cholesterol under control. This can help you lower your risk of heart and large blood vessel disease.
Quit smoking. This can help you reduce your risk of heart disease and stroke.

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