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  • Getting a Blood Test for Teens


    Blood tests help doctors check how the body’s organs are working and see if medical treatments are helpful. Here's how they're done.

  • 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.

  • 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.

  • 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.

  • 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.

  • 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.

  • 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.

  • What's an Injection? for Kids


    An injection is when the doctor uses a needle to put medicine or a vaccine into your body.

  • What's a Syringe? for Kids


    A syringe is the needle a doctor uses to give you a shot or draw blood.

  • Aspiration and Biopsy: Bone Marrow for Parents


    A bone marrow aspiration and biopsy are performed to examine bone marrow, the spongy liquid part of the bone where blood cells are made.