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immune system

Immune System
Image: iStockphoto.com/Ridofranz

Immune System

Germs and viruses lurk around nearly every corner. Fortunately, your immune system has evolved clever defenses.

See how the body deploys an immune response to attack invaders. Investigate autoimmune and immunodeficiency disorders. And discover how you build up immunity.

TeensHealth
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Herd Immunity — History of Vaccines

Herd Immunity — History of Vaccines

In people as in animals, herd immunity is important. Discover how high vaccination rates protect the unvaccinated when contagious disease strikes a community. More...

Interactive
College of Physicians of Philadelphia
Six Immune System Boosters and Busters

Six Immune System Boosters and Busters

Your immune system works hard to keep you healthy. Find out what weakens it and what you can easily do to strengthen it. More...

Article
WebMD
Fighting the Flu: How Your Immune System Uses Its Memory

Fighting the Flu: How Your Immune System Uses Its Memory

Create a model of the human body's immune system to see how having more antibodies helps the body fight off pathogens. More...

Activity
Science Buddies
How the Immune System Destroys Viruses Inside Cells

How the Immune System Destroys Viruses Inside Cells

New research has shed light on the way the immune system attacks viruses. This animation tells the story. More...

Video
The Guardian
Immune System Defender

Immune System Defender

Welcome to the Immune Defense Training Center, where you'll fight off infection at the point of attack. Respond quickly or perish! More...

Game
The Nobel Foundation
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Immune System Quiz

Immune System Quiz

How does the immune system work? Where are white blood cells made? Check your knowledge of the immune system or study for a test with this eight-question quiz. More...

Interactive
Better Health Channel
MacArthur Fellow: Melody Swartz

MacArthur Fellow: Melody Swartz

Recipient of a “genius grant” from the MacArthur Foundation, bioengineer Melody Swartz performed research suggesting that lymph nodes allow cancerous tumors to fool and suppress the immune system. Find out how. More...

Profile
MacArthur Foundation
Researchers Suggest Ebola Virus May Be Creating Its Own Immunity

Researchers Suggest Ebola Virus May Be Creating Its Own Immunity

Promising news about Ebola: Researchers have found that people who became infected with the virus but never got sick may have acquired a natural immunity. How will this help? More...

Article
University of Florida
Scientist Profile: Food Scientist

Scientist Profile: Food Scientist

Corey Scott has the best job of all because he gets to eat his research! This nutritionist looks closely at high-volume vegetables, studying their nutritional composition and antioxidant properties. More...

Profile
DragonflyTV/PBS
Scientist Profile: Nanoparticle Safety Scientist

Scientist Profile: Nanoparticle Safety Scientist

Christy Haynes studies the effects of different nanoparticles on our immune system. She hopes her research will lead to "design rules" for nanoparticles that will guarantee their safety. More...

Profile
DragonflyTV/PBS
The Cell Secret Immune System

The Cell Secret Immune System

It's a timeless battle: Virus vs. Human. See how your immune system fights a virus — even after it gets past the cell membrane, using the protein TRIM21. More...

Video
BBC
The Immune Response

The Immune Response

On a cellular level, the immune system has a range of ways to fight off pathogens. Take a look at its highly coordinated response. Then see if you can ace the quiz. More...

Interactive
McGraw-Hill
Vitamins and Minerals for the Immune System

Vitamins and Minerals for the Immune System

Fresh fruits and vegetables are ideal for nutrients. Frozen will do in pinch. Supplementary minerals? They’re okay...as a supplement. Get the details. More...

Video
eHow

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