The long, tapered pancreas lies beneath and behind the stomach, near the small intestine. It produces insulin. When it malfunctions, it can lead to diabetes. Diabetes can be controlled by diet, but not cured. More severe cases require injections.
Complications are common.
The reduced blood supply contributes to circulation and vision problems. The brain is the most incredible computer that exists. This network performs communication within the brain and to the rest of the body. A future issue will discuss the brain, how it works and why, sometimes, it doesn't work.