Learn about this condition that causes pain and swelling in muscles of the legs or arms during exercise.
Disease
Vertebral tumor
Learn about these tumors that grow in the bones of the spine, causing pain and weakening the spinal column. Find out about diagnosis and treatment.
Disease
Tennis elbow
Repeated motion of the wrist and arm often cause this condition. It affects athletes and nonathletes. Learn how to prevent and treat it.
Disease
Bone cancer
Bone cancer most often affects the long bones in the legs and arms. Some types happen mostly in children, while others mainly affect adults.
Disease
Raynaud's disease
Learn how this disease causes parts of the body, mainly fingers and toes, to feel cold and numb and possibly change colors from cold temperatures or stress.
Disease
Lupus
Learn how this condition can affect the joints, skin, kidneys and other areas of the body, along with how to manage symptoms.
Disease
Juvenile idiopathic arthritis (JIA)
Learn about this type of arthritis that affects children and can cause growth problems, joint damage and eye inflammation.
Disease
Pericardial effusion
Description (Abstract) Learn the symptoms, causes and treatment of extra fluid around the heart.
Disease
Ventricular tachycardia
This rapid heart rate can be a medical emergency. Know the warning symptoms and how it's treated.