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THEVISUALMD / SCIENCE SOURCE / SCIENCE PHOTO LIBRARY THEVISUALMD / SCIENCE SOURCE / SCIENCE PHOTO LIBRARY
In a healthy body, the pancreatic hormones insulin and glucagon perform their back-and-forth dance perfectly, and blood sugar level stays in its normal, narrow range. But in type 2 diabetes, this careful balance is upset. Type 2 diabetes, also known as non-insulin-dependent diabetes mellitus (NIDDM), used to be called adult-onset diabetes because it almost never developed in children. Now, though, a frightening number of cases develop in young people. This image shows how insulin sends a signal to glucose receptors in the cell membrane, telling them to admit glucose. In type 2 diabetes, something goes wrong with this very complex signalling pathway.
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