What are the physiologic mechanisms involved with the polydipsia, polyuria, and polyphagia in diabetes mellitus?

In people with diabetes, polydipsia is caused by increased blood glucose levels. When blood glucose levels get high, your kidneys produce more urine in an effort to remove the extra glucose from your body. Meanwhile, because your body is losing fluids, your brain tells you to drink more in order to replace them.

Explanation:

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