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Disease

Patellofemoral pain syndrome

This pain at the front of the knee is more common in people who run and who play sports that involve running and jumping.
Disease

Bone spurs

Joint damage due to osteoarthritis is the most common cause of these bony growths.
Disease

Amyotrophic lateral sclerosis (ALS)

This progressive nervous system disease, also known as Lou Gehrig's disease, destroys nerve cells.
Disease

Pediatric brain tumors

Pediatric brain tumors include medulloblastoma, glioma, embryonal tumor, germ cell brain tumor, spinal cord tumor, craniopharyngioma and pineoblastoma.
Disease

Neuromyelitis optica

Understand more about this condition that affects the spinal cord and eye nerves and is sometimes mistaken for multiple sclerosis.
Disease

Radiation sickness

Read about what happens when someone is exposed to high doses of radiation, and what you can do to prevent such exposure in an emergency.
Disease

Pulmonary hypertension

This lung condition makes the heart work harder and become weak. Changes in genes and some medicines and diseases can cause it. Learn more.
Disease

Metatarsalgia

With this condition, the ball of the foot becomes painful and irritated. Learn about the causes, treatments and prevention of this injury.
Disease

Multiple endocrine neoplasia, type 2 (MEN 2)

Learn about this rare disorder that causes tumors and overproduction of hormones.
Disease

Listeria infection

This illness is caused by bacteria that spreads in food. It can be very serious for some people. Learn about symptoms, treatment and tips to prevent it.
Disease

Immune thrombocytopenia (ITP)

Caused by low levels of platelets, symptoms may include purple bruises called purpura, as well as tiny reddish-purple dots that look like a rash.
Disease

C. difficile infection

Learn more about this diarrhea-causing infection that often occurs after antibiotic use. Many, but not all, people who get it are in health care facilities.

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