Fitness basics
Learning Center
Diabetes insipidus
Learn more about this unusual disorder that disrupts the body's fluid balance, causing too much urination and possibly leading to dehydration.
Anorexia nervosa
People with this eating disorder have a very low body weight, an intense fear of gaining weight and a flawed way of seeing their body.
Eating disorders
Anorexia, bulimia and binge-eating disorder affect physical and mental health. Learn about symptoms, causes, risk factors, diagnosis and treatment options.
Bulimia nervosa
In this serious eating disorder, people lose control and eat large amounts of food. Then they get rid of it in unhealthy ways by purging, such as vomiting.
Mesenteric lymphadenitis
This condition involves swollen lymph nodes in the membrane that connects the bowel to the abdominal wall. It usually affects children and teens.
Athlete's foot
Learn about the causes, symptoms, prevention and treatment of this common fungal skin infection.
Cerebral palsy
Learn about this group of conditions that affect movement. It's caused by damage to the developing brain, usually before birth.
Noonan syndrome
This genetic condition stops typical development in parts of the body. It may include unusual facial features, short height, heart problems or other issues.
Peripheral nerve tumors
Learn about these growths that form in or near nerves connecting to the spinal cord. Surgery is the most common treatment.
Hypospadias
Hypospadias is a birth defect in which the opening of the urethra is located on the underside of the penis instead of the tip. Learn about treatment.
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