Toddler health
Learning Center
Video: Melanoma — Early stage and advanced melanoma
Melanoma — Video explains early-stage melanoma and advanced melanoma.
Video: How cancer spreads
Watch this video to see how cancer spreads (metastasizes).
Video: Heart and circulatory system
Watch this video to see how a healthy heart works.
Video: Rotator cuff damage
See how your rotator cuff can become damaged.
Slide show: How your brain works
Which part of your brain does what? Take a tour with this slide show.
Terrible twos: Why are 2-year-olds so difficult?
Find out how to help your toddler meet the challenges of being 2.
Body lice
Body lice are tiny insects that live in your clothing and feed on your blood. Find out how to treat and prevent this itchy nuisance of a bug.
Strep throat
Learn more about the symptoms, causes and treatment of this throat bacterial infection in children and adults.
Triple X syndrome
Females with this genetic disorder have three X chromosomes instead of two. Symptoms can be mild or include developmental delays and learning disabilities.
Infectious diseases
Viruses, bacteria, fungi and parasites can all cause infection. Find out more about how to prevent and treat these conditions.
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