Infant health
Learning Center
Intermittent explosive disorder
This mental health condition involves sudden bouts of impulsive, aggressive, violent behavior or verbal outbursts that cause major distress in life.
Phenylketonuria (PKU)
PKU is caused by a change in the gene that helps create an enzyme needed to break down phenylalanine. Treatment includes a special diet and medication.
Restless legs syndrome
Uncomfortable sensations in your legs can interrupt your sleep — making you drag through your day. These therapies calm the restlessness and improve sleep.
Separation anxiety disorder
This is intense or prolonged separation anxiety that interferes with school or other daily activities or includes panic attacks. Learn about treatment.
Shellfish allergy
It's possible to be allergic to some types of shellfish without reacting to other types. Learn more about this common food allergy.
Sarcoma
Learn about this cancer that forms in the bones and the connective tissue. Find out about symptoms, diagnosis, treatment and the many types of sarcoma.
Rumination syndrome
Learn about this condition that results in regurgitating and reswallowing food. Behavioral therapy and medicine are treatments.
Scoliosis
This sideways curvature of the spine occurs most often during the growth spurt just before puberty. Treatment may include braces or surgery.
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.
Enlarged spleen (splenomegaly)
Learn about what your spleen does and what can happen if it becomes enlarged.
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