The best predictor of Type 2 diabetes is being overweight or obese. Nearly 90% of people who are overweight has Type 2 diabetes. Fat cells are more resistant to insulin than muscle cells. As a result blood glucose or sugar, that requires insulin to enter cells for metabolism, remain in the bloodstream causing Type 2 diabetes.
Insulin resistance and Type 2 diabetes are one and the same thing.
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Insulin is the hormone produced by the beta cells of the pancreas. Insulin is an essential hormone that metabolizes carbohydrates, lipids and proteins. Insulin resistance is a condition in which the body's cells become resistant to the effects of insulin. As a result, the pancreas starts producing more and more insulin until it is no longer capable of producing sufficient insulin. The consequence is that blood sugar levels increase and that leads to Type 2 diabetes. Hence, insulin resistance is the pre-requisite of Type 2 diabetes.
Obese people are more likely to be insulin resistant.
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Obesity is a chronic condition defined by the excess amount of body fat. Obese people are prone to various diseases, one being insulin resistance. Insulin is necessary for the transport of blood glucose into cells for its conversion to energy through metabolism. It has been found that fat cells are more insulin resistant than muscle cells thus providing conclusive proof that obesity is one major cause of insulin resistance.
What are the symptoms of Type 2 diabetes?
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Symptoms of Type 2 diabetes are related to high blood sugar level. Though symptoms may not be visible initially yet it will reveal itself as time progresses because Type 2 diabetes develops gradually. The common symptoms are excessive thirst, frequent urination and fatigue.
There are no specific signs and symptoms of insulin resistance.
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There are no signs and symptoms of insulin resistance. It can only be detected after medical diagnosis or after symptoms of Type 2 diabetes start materializing.