Monday, March 28, 2011

Causes of Diabetes

The causes of diabetes are not clearly known. There is still a mystery in it. Medical scientists are unable to tell, thats why some people suffer from diabetes while others do not.Diet, is also a major factor responsible for causing diabetes.Diabetes mellitus occurs when the pancreas doesn't make enough or any of the hormone insulin, or when the insulin produced doesn't work effectively. In diabetes, this causes the level of glucose in the blood to be too high.The precise Etiology of most cases of diabetes is uncertain, although certain contributing factors are as follows:

Type 1 diabetes :

The cells in the pancreas that make insulin are destroyed, causing a severe lack of insulin.This may lead to autoimmune reaction.It is result of destruction of beta cells due to aggressive nature of cells present in the body.We don't know exactly why this happens, but we do know that some people are born with a tendency to develop diabetes. Then something "triggers" the onset of the disease. It may be a virus that triggers the onset, or it may be something in the environment. There is nothing a parent can do to prevent this from happening.

Type 2 diabetes:

Diabetes mellitus type 2 – formerly non-insulin-dependent diabetes mellitus (NIDDM) or adult-onset diabetes – is a metabolic disorder that is characterized by high blood glucose in the context of insulin resistance and relative insulin deficiency.Type 2 diabetes is due to a combination of lifestyle and genetic factors.The classical symptoms of diabetes are polyuria (frequent urination), polydipsia (increased thirst), polyphagia (increased hunger), fatigue and weight loss.There is also a strong inheritable genetic connection in type 2 diabetes: having relatives (especially first degree) with type 2 increases risks of developing type 2 diabetes very substantially.

Diabetes Myths:

 Myth: Eating too much sugar causes diabetes.
 Fact: No, it does not.  Type 1 diabetes is caused by genetics and unknown factors that trigger the onset of the disease; type 2 diabetes is caused by genetics and lifestyle factors.

 Myth:Only people with diabetes need insulin.
 Fact:Everybody needs insulin, a hormone produced by the pancreas that allows the body to convert food into energy for activity.

 Myth:People with diabetes shouldn't exercise.
 Fact:The exact opposite is true: Exercise is a key component of any diabetes treatment plan, as it helps diabetics better use insulin  and lower or maintain weight.

 Myth:People with diabetes shouldn't exercise.
 Fact:  Being overweight is a risk factor for developing this disease, but other risk factors such as family history, ethnicity and age   also play a role. Unfortunately, too many people disregard the other risk factors for diabetes and think that weight is the only risk   factor for type 2 diabetes.

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