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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. ...
Irritable bowel syndrome (IBS) is a problem that affects the large intestine. It can cause abdominal cramping, bloating, and a change in bowel habits. Some people ...
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 ...
Islets are cells found in clusters throughout the pancreas. They are made up of several types of cells. One of these is beta cells, which make insulin. Insulin ...
What is itching? Itching is an irritating sensation that makes you want to scratch your skin. Sometimes it can feel like pain, but it is different. Often, ...
Jaundice causes your skin and the whites of your eyes to turn yellow. Too much bilirubin causes jaundice. Bilirubin is a yellow chemical in hemoglobin, the substance ...
Your jaw is a set of bones that holds your teeth. It includes: The maxilla, which is the upper part of your jaw. It holds your top teeth in place and doesn' ...
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 juvenile arthritis? Juvenile arthritis (JA) is arthritis that happens in children. It causes joint inflammation (swelling), pain, stiffness, and ...
What is Kaposi sarcoma? Kaposi sarcoma, sometimes called KS, is a type of cancer. It causes lesions (abnormal tissue) to grow in different parts of the ...
What is Kawasaki disease? Kawasaki disease is a rare illness that usually affects small children. Other names for the disease are Kawasaki syndrome and ...
You have two kidneys. They are fist-sized organs on either side of your backbone above your waist. The tubes inside filter and clean your blood, taking out ...
A cyst is a fluid-filled sac. You may get simple kidney cysts as you age; they are usually harmless. There are also some diseases which cause kidney cysts. ...
You have two kidneys, each about the size of your fist. They are near the middle of your back, just below the rib cage. Inside each kidney there are about ...
Healthy kidneys clean your blood by removing excess fluid, minerals, and wastes. They also make hormones that keep your bones strong and your blood healthy. ...
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 ...
You have two kidneys. They are fist-sized organs on either side of your backbone above your waist. Your kidneys filter and clean your blood, taking out waste ...
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 Klinefelter syndrome (KS)? Klinefelter syndrome (KS) is a genetic condition that happens when a male is born with an extra copy of the X chromosome. ...