Hello Doctor, I just wanted to ask you a question I heard that for diabetes patients wound will not heal up soon? Is it true? Because it is happening same with me I fell down on my 10th class while catching a bus and it healed after few days but after 4 years (now) the skin over that place is itching a Lott and the layers of skin are coming out? What should I do? Not only that every wound is not healing even the cuts and burns.