With diabetes, you are at a higher risk of developing both impaired circulation to the feet and nerve damage in the feet. Impaired circulation causes wounds on the feet to heal more slowly, raising their risk of becoming infected. Nerve damage can cause loss of sensation in the feet, which means a person may not feel heat, cold or pain in his feet. He may not notice that his shoes are rubbing or pinching or even that he is walking on small objects such as paperclips that have fallen into his sho