Free weights
Learning Center
Video: Biceps curl with barbell
The biceps curl builds strength in the upper arm. See how it's done.
Video: Reverse fly with dumbbell
The reverse fly exercise targets the upper back. See how it's done.
Video: Bent-over row with dumbbell
The bent-over row targets the back of the shoulder. See how it's done.
Video: Calf raise with dumbbell
The calf raise targets the calf muscles in the legs. See how it's done.
Video: Squat with dumbbell
The squat is an exercise that targets the leg muscles. See how it's done.
Kids and exercise: How much activity do they need?
You know your kids should exercise, but how much? Find out and get ideas for helping children and adolescents be more physically active.
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.
Mononucleosis
Learn about the symptoms and treatment of the kissing disease in adults and children.
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.
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