Diseases that are present either continually or off and on over a long time.

Diseases that cause further breakdown in body cells, tissues, and organs as they progress.

All disorders that are present when the baby is born.

A disease that occurs when abnormal cells multiply out of control.

A group of abnormal cells that forms a mass.

Not cancerous.

Cancerous.

Characteristics or behaviors that increase the likelihood of developing a medical disorder or disease.

A substance that can cause cancer.

The removal of a sample of tissue from a person for examination.

A treatment that uses X rays or other forms of radiation to kill cancer cells.

The use of powerful medicines to destroy cancer cells.

A period during which cancer signs and symptoms disappear.

The return of cancer after a remission.

A disease of the hear and blood vessels.

A group of disorders that cause a thickening and hardening of the arteries.

A condition of arteriosclerosis that occurs when fatty substances build up on the inner lining of the arteries.

A serious condition that occurs when the blood supply to the heart slows or stops and the heart muscle is damaged.

A condition in which the pressure of the blood on the walls of the blood vessels stays at a level that is higher than normal.

A serious condition that occurs when an artery of the brain breaks or becomes blocked.

A surgical procedure in which an instrument with a tiny balloon, drill bit, or laser attached is inserted into a blocked artery to clear a blockage.

A small device that sends steady electrical impulses to the heart to make it beat regularly.

A disease that prevents the body from converting food into energy

A protein made in the pancreas that regulates the level of glucose in the blood.

A condition in which the immune system attacks insulin-producing cells in the pancreas.

A condition in which the body cannot effectively use the insulin it produces.

A disease of the joints marked by painful swelling and stiffness.

A chronic disease that is common in older adults and results from a breakdown in cartilage in the joints.

A chronic disease characterized by pain, inflammation, swelling, and stiffness of the joints.

Extreme sensitivity to a substance

Substances that cause allergic responses

A powdery substance released by the flowers of some plants

The chemicals that the immune cells release to draw more blood and lymph to the area affected by the allergen

Raised bumps on the skin that are very itchy

Medicines that reduce the production of histamines

Chronic inflammatory disorder of the airways that causes air passages to become narrow or blocked, making breathing difficult

A medication that relaxes the muscles around the air passages.