Curalin Usually this can be a symptom that occurs in moat people that have been together with diabetes for quite a while. Over time all of the glucose in the blood stream can can damage the central nervous system. This especially affects the extremities, similar to the feet, legs, and the hands. May experience tingling in these areas or numbness. A great deal more better control your blood sugar, such the problem a good diabetes diet, wish to see these symptoms improve.