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Germs: Bacteria, Viruses, Fungi, and Protozoa for Parents
Germs are the microscopic bacteria, viruses, fungi, and protozoa that can cause disease.
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Immunotherapy to Treat Cancer for Parents
This promising new type of cancer treatment stimulates a person's immune system so it is better able to fight disease.
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Your Immune System for Kids
The immune system keeps you healthy. How does it work? Find out in this article for kids.
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When Is an Illness Contagious? for Parents
How do you know when a child's illness is in the contagious stage? Find out here.
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Blood for Parents
Here are the basics about the life-sustaining fluid called blood.
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What Are White Blood Cells? for Kids
White blood cells are part of the germ-fighting immune system.
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Blood for Teens
Find out about the mysterious, life-sustaining fluid called blood.
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Your Child's Vaccines for Parents
Vaccines protect kids from many dangerous diseases. Find out what vaccines your child needs to grow up healthy.
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What Is Stress? for Teens
Stress is a normal response to life’s changes, pressures, and challenges. It’s a mind-and-body signal that helps you get ready for what’s ahead. Find out more about how stress can help, and how it sometimes holds you back.
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Tonsillitis for Kids
If your tonsils get infected, it can make your throat feel very sore. Find out more in this article for kids.