How diabetes works is something every diabetic and their loved ones should understand. Diabetes is a chronic condition that changes how your body manages blood sugar (glucose). Knowing the basics helps you take control of your health and avoid serious complications.
How Diabetes Works: The Role of Blood Sugar and Insulin
Diabetes happens when your body can’t properly use or make insulin. Insulin is a hormone made by your pancreas. Its job is to help sugar from food move from your blood into your cells, where it’s used for energy.
When insulin doesn’t work right or there’s not enough, sugar builds up in your blood. Over time, high blood sugar (hyperglycemia) can harm your eyes, kidneys, nerves, and heart. Keeping blood sugar in a healthy range is key for all types of diabetes.
Types of Diabetes: What’s the Difference?
- Type 1 Diabetes: The body’s immune system attacks and destroys insulin-making cells in the pancreas. People with type 1 need to take insulin every day.
- Type 2 Diabetes: The body either doesn’t make enough insulin or can’t use it well (insulin resistance). Type 2 is more common and often linked to weight, age, and family history. It can sometimes be managed with diet, exercise, and medications.
- Gestational Diabetes: This type happens during pregnancy and usually goes away after birth. But it raises the risk of type 2 diabetes later.
Why Does This Matter?
Understanding how diabetes works helps you spot symptoms early, such as frequent urination, thirst, tiredness, and blurry vision. Good blood sugar management lowers the risk of complications like diabetic neuropathy, kidney disease, and eye problems.
Testing your blood glucose, following a diabetic diet, and taking medicines as prescribed are vital. New diabetes tech like CGMs and insulin pumps make it easier to keep blood sugar in check.
Related Questions
- What causes diabetes? Type 1 is autoimmune; type 2 is often due to insulin resistance and lifestyle factors.
- What are the symptoms? Early signs include increased thirst, frequent urination, unexplained weight loss, and fatigue.
- How is it diagnosed? Blood tests check fasting blood sugar, A1C, or glucose tolerance.
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