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Learn about ACL tears in children, how to care for them, and when to contact your doctor.

Learn about the types, process, and risks of cryopreservation for future female fertility.

Sperm cryopreservation is the process of freezing and storing sperm. It allows sperm to be saved for future family building. Sperm is mixed with a liquid called a cryoprotectant. It helps protect sperm cells from damage during freezing. Sperm is...

Joint attention means sharing an experience by looking at, listening to, or doing something together. It’s a valuable skill for young children as they learn to communicate with the people around them. Examples of joint attention are: Following...

Hantavirus cardiopulmonary syndrome (HCPS) is a lung infection caused by viruses found in the saliva, urine, and droppings of some rodents. The illness is rare but can be deadly. Most cases of HCPS in the U.S. are caused by one type of hantavirus...

During a stroke, blood stops flowing to part of the brain or there is bleeding in the brain. This can damage areas in the brain that control the rest of the body. Get help right away if any of these symptoms come on suddenly, even if the symptoms don’t last.

An event monitor is a portable device used to record your heart's electrical activity when you have symptoms. Most event monitors can send the recorded information to your doctor.

Pulmonary function tests (PFTs) are noninvasive tests that show how well the lungs are working. Read on to learn what to expect before, during, and after these tests.

Read on to learn about grading of prostate cancer. Low-grade cancers are more similar to normal tissue. High-grade cancers differ from normal tissue in the way cells are organized, and in cell size and shape. The higher the grade, the faster the cancer is likely to be growing.