Teens

  • Sever's Disease

    Sever's Disease What Is Sever's Disease? Sever's disease is a swelling and irritation of the growth plate in the heel. The growth plate is a layer of cartilage near the end of a bone where most of the bone's growth happens. It is weaker and more at risk for injury than the rest of the bone. With proper management, Sever's disease usually goes away within a few months and doesn't cause lasting problems. What Are ...
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  • Repetitive Stress Injuries in Sports

    Repetitive Stress Injuries in Sports What Are Repetitive Stress Injuries? Repetitive stress injuries (RSIs) happen when movements are repeated over and over, causing damage to a bone, tendon, or joint. What Causes Repetitive Stress Injuries in Sports? Repeated motions in sports cause many RSIs (or overuse injuries ). RSIs are most likely to happen in the area of growth plates. A growth plate is a layer of cartilage near the end of a ...
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  • Shin Splints

    Shin Splints What Are Shin Splints? Shin splints are pain on the inner part of the shinbone. They're usually brought on by running or another high-impact activity. Shin splints get better with rest and do not cause lasting problems. What Are the Signs & Symptoms of Shin Splints? People with shin splints have pain along the inner edge of the shinbone. The pain is usually during or right after activity. Shin ...
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  • Growth Plates

    Growth Plates What Is a Growth Plate? Growth plates are the areas of new bone growth in kids and teens. They're made up of cartilage, a rubbery, flexible material (the nose, for instance, is made of cartilage). Most growth plates are near the ends of long bones. Long bones are bones that are longer than they are wide. They include: the femur (thighbone) the lower legs (tibia and fibula) the forearm (radius and ...
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  • Panner's Disease

    Panner's Disease What Is Panner's Disease? Panner's disease happens from temporary changes in the capitellum. The capitellum is the outside bone of the elbow at the end of the upper arm bone (the humerus). Healing can take time, but most teens with Panner's disease recover with no lasting problems. What Are the Signs & Symptoms of Panner's Disease? Panner's disease causes elbow pain around the outside part of ...
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  • PrEP (Pre-Exposure Prophylaxis)

    PrEP (Pre-Exposure Prophylaxis) What Is PrEP? PrEP stands for pre-exposure prophylaxis. It is when someone takes medicines every day to lower his or her chances of getting HIV. Who Should Take PrEP? Only people at very high risk for getting HIV should take PrEP, such as: those who are in a sexual relationship with someone who is HIV-positive men who have sex with other men and have had anal sex without a condom men who have sex ...
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  • Thrombocytopenia

    Thrombocytopenia What Is Thrombocytopenia? Thrombocytopenia (pronounced: throm-buh-sye-tuh-PEE-nee-uh) is when there are fewer than normal platelets in the bloodstream. Platelets are tiny colorless cells in the blood that help the blood clot. Like all blood cells, platelets are made in the bone marrow (the spongy inner part of bones). What Are the Signs & Symptoms of Thrombocytopenia? A person with a platelet ...
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  • Strokes

    Strokes What Are Strokes? A stroke (sometimes called a "brain attack") happens when blood flow to the brain stops, even for a second. Blood carries oxygen and other important substances to the body's cells and organs, including the brain. In an ischemic (pronounced: ih-SKEE-mik) stroke, these substances can't get to the brain and brain cells die. This can permanently damage the brain and make a person's ...
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  • Compression Fracture of the Spine

    Compression Fracture of the Spine What Is a Compression Fracture of the Spine? The vertebrae (or "vertebral bodies") are the bones that form the spinal column. A compression fracture of the spine describes a collapse of one or more of these bones. How Do Compression Fractures of the Spine Happen? Anyone can get a compression fracture of the spine from a serious fall or car accident. People with weakened bones can get ...
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  • Side Effects of Chemotherapy and Radiation

    Side Effects of Chemotherapy and Radiation What Is Cancer? Cancer happens when cells divide and multiply much faster than most normal cells. Uncontrolled cell growth can lead to masses of cancer cells called tumors, or to a situation where healthy cells are crowded out and can no longer do their jobs efficiently. What Are Side Effects? Chemotherapy (or "chemo") and radiation therapy are the two most common types of cancer treatment. They ...
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