Dr Wasib Ishtiq is the Consultant Medical, Specialist & Critical Care, Islamabad. In this episode talked about Diabetes and Diabetes mellitus that is a disorder in which the body does not produce enough or responds normally to insulin, causing blood sugar (glucose) levels to be abnormally high. Its Signs and Symptoms that Unexplained weight loss. Extreme hunger. Sudden vision changes. Tingling or numbness in the hands or feet.