Weight-loss basics
Learning Center
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: Baby baths
Baby baths can be tricky. Find out how to safely clean your baby, step by step.
Slide show: How your brain works
Which part of your brain does what? Take a tour with this slide show.
Slide show: Vaginal tears in childbirth
Vaginal tears during childbirth are common. See illustrations of various degrees of vaginal tears and treatment tips.
Weight-loss readiness
Learn how asking yourself six key questions can tell you if you're ready to start a weight-loss plan, along with steps to take if you're not there yet.
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.
Blocked tear duct
Watery, irritated eyes may occur when your tears can't drain normally. Learn about this common eye condition that affects newborns and sometimes, adults.
Hirschsprung's disease
This digestive disorder that's present at birth affects the nerves in the colon. It causes severe constipation but can be treated.
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