Why does diabetes cause weight loss, thirst, and hunger?i can't find these answers anywhere. D:<
Helpful answer below
-micksmixxx
The symptoms you mention are more noticeable in type 1 diabetics as their pancreas is no longer producing insulin, or is producing much less than is needed for the body to survive. In type 2 diabetes, which is different in the way the body is affected, the body's cells have become resistant to the effects of insulin, which is still being produced in ample quantities. In fact, there may even be over-production of insulin as the pancreas is making more than would normally be required.
Insulin is required to transport glucose from the bloodstream, from the breakdown of carbohydrates and starches, into the muscles so that energy can be produced.
Without insulin the body believes that it is 'starving' so proceeds to break down fat and muscle tissue in an attempt to stay alive. This is where the weight loss and hunger occur.
Excess glucose in the blood is considered a toxin to the body's cells, and begins to cause damage to many of them. Again, in an attempt to survive the body tries to get rid of what glucose it can by it being filtered out of the bloodstream and excreted in urine. Of course, to do this the body needs to absorb fluid from wherever it can in the body. This leads to dehydration, causing the thirst that you mention.
I've tried to keep the explanation simple so as not to cause confusion, but I hope it covers what you're looking for.
Be well.
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