Inflammation is a process in which the body's white blood cells and immune proteins help protect us from infection and foreign substances such as bacteria and viruses.In some diseases, however, the body's defense system (immune system) triggers an inflammatory response when there are no foreign substances to fight off.nflammation is a process in which the body's white blood cells and immune proteins help protect us from infection and foreign substances such as bacteria and viruses.
Doctor & other health care provider services. How often is it covered? A doctor can be a Doctor of Medicine (MD), a Doctor of Osteopathic Medicine (DO), or, in some cases, a dentist, podiatrist, optometrist (eye doctor), or chiropractor. Medicare also covers services provided by other health care providers, like these: Physician assistants. Nurse practitioners.
A primary care doctor under an HMO plan will typically be your first point of contact for all your health issues. When you need care from a specialist physician, your primary care physician will generally refer you to specialists within your health insurance planâs provider network.