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What is infectious mononucleosis (mono)? Infectious mononucleosis (mono) is a disease caused by viruses.The most common cause is the Epstein-Barr virus ( ...
Inhalation injuries are acute injuries to your respiratory system and lungs. They can happen if you breathe in toxic substances, such as smoke (from fires), chemicals, ...
What is insomnia? Insomnia is a common sleep disorder. If you have it, you may have trouble falling asleep, staying asleep, or both. As a result, you ...
Your small intestine is part of your digestive system. It is a long tube that connects your stomach to your large intestine. Intestinal cancer is rare, but ...
What is intimate partner violence (IPV)? Intimate partner violence (IPV) is abuse that happens in a romantic relationship. The intimate partner could be ...
What is iron? Iron is a mineral that our bodies need for growth and development. Your body uses iron to make hemoglobin, a protein in red blood cells. ...
A stroke is a medical emergency. There are two types - ischemic and hemorrhagic. Ischemic stroke is the more common type. It is usually caused by a blood ...
What are joints? Your joints are places where two or more bones come together. Your shoulders, elbows, hips, knees, and knuckles are all joints. Your ...
What is Kawasaki disease? Kawasaki disease is a rare illness that usually affects small children. Other names for the disease are Kawasaki syndrome and ...
A kidney stone is a solid piece of material that forms in the kidney from substances in the urine. It may be as small as a grain of sand or as large as ...
A kidney transplant is an operation that places a healthy kidney in your body. The transplanted kidney takes over the work of the two kidneys that failed, ...
What is knee replacement surgery? Knee replacement surgery is a surgery to replace parts of your knee joint with new, artificial parts. You may need a ...
Laboratory tests check a sample of your blood, urine, or body tissues. A technician or your doctor analyzes the test samples to see if your results fall within ...
What is cholesterol? Cholesterol is a waxy, fat-like substance that's found in all the cells in your body. Your liver makes cholesterol, and it is also ...
What is a learning disability? Learning disabilities are conditions that affect the ability to learn. They can cause problems with: Understanding what ...
What is Legionnaires' Disease? Legionnaires' disease is a serious type of pneumonia caused by Legionella bacteria. The disease got its name when a group ...
What is leukemia? Leukemia is a term for cancers of the blood cells. Leukemia starts in blood-forming tissues such as the bone marrow. Your bone marrow ...
What are leukodystrophies? Leukodystrophies are a group of rare genetic disorders that affect the central nervous system (CNS). The CNS is made up of your ...
What is Lewy body dementia (LBD)? Lewy body dementia (LBD) is one of the most common types of dementia in older adults. Dementia is a loss of mental functions ...
Your liver is the largest organ inside your body. It helps your body digest food, store energy, and remove poisons. You cannot live without a liver that works. ...