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Immune System Disorders
When your immune system doesn't work the way it should, it is called an immune system disorder. Learn about the different types of immune system disorders.
Immunization Quiz
You can fight off an infectious disease in one of two ways, by catching and surviving the disease or by getting a vaccine, which prevents you from catching it.
Immunoglobulin A Deficiency
Immunoglobulin A (IgA) is a blood protein that's part of your immune system. Your body makes IgA to help fight off sickness. Having an IgA deficiency means that you have low levels or no immunoglobulin A in your bloodstream.
Immunotherapy: What Is It?
Scientists have found a way to use the body's immune system to help treat or defend against a number of health problems. This treatment is known as immunotherapy.
In a Nutshell: Understanding Peanut Allergies
If your child is allergic to peanuts, here's what you need to know.
In Case of Emergency...Be Ready for Anything
Don't wait to think about disaster until you're dealing with one. In the hurried confusion, you're likely to miss important items as you prepare your home or leave to find shelter.
In the Campground: Staying Safe
Planning ahead and being safety-conscious while in the wild can keep everyone safe and secure. Here are suggestions from the U.S. Forest Service and the American Red Cross.
In the Kitchen: Prevent the Spread of Infection
Bacteria can spread anywhere in the kitchen. Read on for a detailed guide to preventing contamination in your kitchen, and tips for cleaning and disinfecting.
Individual Fruit Cup Dessert
Your children can help you make this easy dessert that's colorful and good for them to eat. Have all of your supplies and ingredients ready before you begin.
Indoor Air Can Cause Health Problems
Don't think you're safe just because you're inside. The air in homes and other buildings can be more seriously polluted than the outdoor air in even the largest and most industrialized cities.
Infant Vaccine Quiz
A pregnant woman passes antibodies to her unborn baby through the placenta to protect against certain diseases. How long does this natural immunity last?
Infectious Mononucleosis
Infectious mononucleosis causes swollen lymph glands, fever, sore throat, and chronic fatigue.