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Hepatitis B for Parents
Hepatitis B virus (HBV) spreads from person to person through blood or other body fluids. A vaccine is approved for people of all ages to prevent HBV infection.
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Blood Test: Phosphorus for Teens
A phosphorus test looks at levels of phosphorus in a person's blood. Find out why doctors do this test and what's involved for teens.
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Blood Test: Magnesium for Teens
A magnesium test looks at levels of the mineral magnesium in a person's blood. Find out why doctors do this test and what's involved.
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Blood Transfusions for Teens
Millions of people a year get blood transfusions in the United States. This article explains why people need them and who donates the blood used.
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Donating Blood for Teens
There's a 97% chance that someone you know will need a blood transfusion. Blood donors — especially donors with certain blood types — are always in demand. Find out what's involved in this article for teens.
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A Kid's Guide to Shots for Kids
You've probably had most of your shots. But even bigger kids may need a shot once in a while. Find out more about them in this article for kids.
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How to Safely Store and Dispose of Medicines for Parents
Part of using medicines safely is knowing how to store them and how to get rid of them after they expire or are no longer needed.
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Biopsies for Parents
Doctors order biopsies to examine tissue or cells when they're concerned about a problem such as an infection, inflammation, or cancer.
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What's an Injection? for Kids
An injection is when the doctor uses a needle to put medicine or a vaccine into your body.
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What's a Syringe? for Kids
A syringe is the needle a doctor uses to give you a shot or draw blood.