Diabetes and the brain

This nerve damage can lead to loss of sensation in parts of the body or unsteadiness, pain and numbness. This type of nerve damage is known as peripheral neuropathy.

Autonomic neuropathy could damage the nerves that control automatic body functions, such as your digestive and urinary systems. Symptoms of autonomic neuropathy could include constipation, vomiting, diarrhoea, impotence and difficulty urinating. - (Health24, February 2010)