Fitness basics
Learning Center
Child growth: Can you predict adult height?
Concerned about your child's growth? Find out how you can estimate your child's adult height.
Multivitamins: Do young children need them?
Multivitamins: Are they good insurance for young children?
Exercise and illness: Work out with a cold?
Play it smart. Ease up on exercise if you have a cold.
Heart rate: What's normal?
A normal resting heart rate for adults ranges from 60 to 100 beats per minute. A heart rate above or below that may signal a problem.
Uncircumcised penis: Is special care needed?
Know how to wash and care for your child's uncircumcised penis.
Pink eye: How long is it contagious?
Many parents wonder how long pink eye (conjunctivitis) is contagious. Find out.
Baby teeth: When do children start losing them?
Losing baby teeth is a big childhood event. Find out what to expect.
Flu shots for kids: Does my child need a flu shot?
Know the latest recommendations for children's flu vaccines.
Measles vaccine: Can I get the measles if I've already been vaccinated?
Is it possible to get measles from someone else if you've been vaccinated?
Prostatitis: Can sexual activity make it worse?
Some men with prostatitis have pain with ejaculation or sexual activity.
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