If someone has diabetes, that individual has had a blood sugar issue for a long time.  He or she should be in regular consultation with a doctor, to help reduce the blood sugar level.  This expert is not a doctor but he knows that high blood sugar levels are harmful to all of us.  Excessive blood sugar level can affect every part or organ in the body.  Uncontroled blood sugar level can cause nerve damages in the Charcol's joints or the musculocutanous nerves, that may include nerves in the shoulder, the neck, brain and heart. Such damages can progress to cause heart diseases and stroke if under no control  Excessive blood sugar can affect every part or organ in the body.  Sugar that cannot be filtered by the kidneys, will accumulate in the blood stream that supplies all parts of the body.  That unfiltered blood causes nerve damages on it's path in every organ of the body, a process that we reffer to as Neuropathy.  Those nerve damages will have an impact on the entire body, like in the eyes, brain, heart, digestive system, sexual organs (causing disfunction) and in the peripheral areas (hands and feet).  Therefore, Neuropathy is a serious consequence of diabetes that has an impact on the entire body, may be more in certain areas that others   It is just a fact that the loss of sensation (neuropathy)  can easily be felt in the hands and feet; but the nerve damages can be present in every section, organ and part of the body unknowingly to the diabetic.  Neuropathy can slowly exist with time and treatment for any diabetic. Learn to manage you blood sugar leve in order to minimize neuropathy.