Diabetes Types 1 and 2 Thoroughly Explained
WHAT CAUSES IT?
Diabetes is a disease in which the pancreas produces little or no insulin, a hormone that helps the body's tissues absorb glucose so it can be used as a source of energy. The condition may also develop if muscle and fat cells respond poorly to insulin. In people with diabetes, glucose levels build up in the blood and urine. Diabetes mellitus differs from the less common Diabetes insipidus, which is caused by lack of the hormone vasopressin that controls the amount of urine secreted. In Diabetes mellitus, without an appropriate level of insulin to help absorption glucose builds up in the blood because it cannot enter the cells. When the blood passes through the kidneys, organs that remove blood impurities, the kidneys cannot absorb all of the excess glucose. This excess glucose spills into the urine, accompanied by water and electrolytes (ions required by cells to regulate the electric charge and flow of water molecules across the cell membrane) this causes frequent urination to get rid of the additional water drawn into the urine; this triggers excessive thirst to replace lost water and hunger to replace the glucose lost in urination.
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