Elementary students
Learning Center
Video: Baby's soft spots (fontanels)
A baby's soft spots (fontanels) close when the skull bones fuse together. See how.
Ovulation signs: When is conception most likely?
Trying to get pregnant? Learn about ovulation signs and symptoms.
Infant growth: What's normal?
Infant growth rates depend on various factors. Consider what's typical during baby's first year.
Bacterial vs. viral infections: How do they differ?
Understand the differences between bacterial and viral infections.
Bronchiolitis
Infection in the small airways of the lungs is common in young kids and babies. Symptoms may include coughing, wheezing and trouble breathing.
Conjoined twins
If an early embryo only partially separates and two babies develop, they remain physically connected — most often at the chest, abdomen or pelvis.
Craniosynostosis
This condition results in premature fusing of one or more of the joints between the bone plates of an infant's skull before the brain is fully formed.
Color blindness
Is it red or is it green? Learn more about what causes color blindness and how to tell whether or not you can distinguish between certain shades of color.
Mitral valve disease
Learn more about diseases that affect the valve between the left heart chambers, including mitral valve regurgitation and mitral valve stenosis.
Pectus excavatum
Pectus excavatum causes the breastbone to sink into the chest. This can affect heart and lung function. Surgery helps correct the deformity.
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