Diabetes (diabetes mellitus) is classed as a metabolism disorder. Metabolism refers to the way our bodies use digested food for energy and growth. Most of what we eat is broken down into glucose. Glucose is a form of sugar in the blood – it is the principal source of fuel for our bodies.

When our food is digested, the glucose makes its way into our bloodstream. Our cells use the glucose for energy and growth. However, glucose cannot enter our cells without insulin being present – insulin makes it possible for our cells to take in the glucose.

Insulin is a hormone that is produced by the pancreas. After eating, the pancreas automatically releases an adequate quantity of insulin to move the glucose present in our blood into the cells, as soon as glucose enters the cells blood-glucose levels drop.

A person with diabetes has a condition in which the quantity of glucose in the blood is too elevated (hyperglycemia). This is because the body either does not produce enough insulin, produces no insulin, or has cells that do not respond properly to the insulin the pancreas produces. This results in too much glucose building up in the blood. This excess blood glucose eventually passes out of the body in urine. So, even though the blood has plenty of glucose, the cells are not getting it for their essential energy and growth requirements.

Quick Facts on Diabetes

a. Diabetes is a long-term condition that causes high blood sugar levels.
b. Last survey, it was estimated that over 382 million people throughout the world had diabetes (Williams textbook of endocrinology).
c. Type 1 Diabetes – the body does not produce insulin. Approximately 10% of all diabetes cases are type 1.
d. Type 2 Diabetes – the body does not produce enough insulin for proper function. Approximately 90% of all cases of diabetes worldwide are of this type.
e. Gestational Diabetes – this type affects females during pregnancy.
f. The most common diabetes symptoms include frequent urination, intense thirst and hunger, weight gain, unusual weight loss, fatigue, cuts and bruises that do not heal, male sexual dysfunction, numbness and tingling in hands and feet.
g. If you have Type 1 and follow a healthy eating plan, do adequate exercise, and take insulin, you can lead a normal life.
h. Type 2 patients need to eat healthily, be physically active, and test their blood glucose. They may also need to take oral medication, and/or insulin to control blood glucose levels.
i. As the risk of cardiovascular disease is much higher for a diabetic, it is crucial that blood pressure and cholesterol levels are monitored regularly.
j. As smoking might have a serious effect on cardiovascular health, diabetics should stop smoking.
k. Hypoglycemia – low blood glucose – can have a bad effect on the patient. Hyperglycemia – when blood glucose is too high – can also have a bad effect on the patient.

How diabetes occurs and how to treat it

Watch this video on Diabetes for insights

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