Tingling or numbness
Diabetes features a series of changes to the small blood vessels throughout the body. It also affects the normal function of the veins and other parts of the circulatory system. At the same time, high blood glucose progressively affects nerve terminals and both the sensory pathway and the motor response in the nervous system.
All of these consequences build up over time and cause tingling and numbness, usually in the lower part of the body because that’s the area where blood accumulates when we are not lying down in bed. This sign is not an early indicator of diabetes. Instead, it is a condition that usually appears when the disease has progressed to affect other tissues as well.