Anosh Ahmed, MD chronic disease expert 

All of these jobs are obviously completed by doctors, according to Anosh Ahmed,MD. If you have a chronic illness, which can play a special role in preserving your health, your doctor may take on the role of a chronic disease expert who can help you manage your condition. Chronic diseases are conditions of the body that persist for a year or longer and necessitate continuing medical care, restricting daily activities, or both.