Immune System Overview

Encyclopedia: Immune System

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An immune system is a collection of mechanisms within an organism that protects against disease by identifying and killing pathogens and tumor cells. It detects a wide variety of agents, from viruses to parasitic worms, and needs to distinguish them from the organism's own healthy cells and tissues in order to function properly. Detection is complicated as pathogens adapt and evolve new ways to successfully infect the host organism. To...


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Immune System?
I always seem to catch a cold or get a mild infection when either the...

Echinacea is only suitable for short term use and long term use is likely to actually WEAKEN your immune system so you are better off without it. Taking 1 or 2...

Asked by affiliateforce1 - 7 months ago

Can the immune system actually help the brain to work?
I have suggested in other questions that some depression may be caused by the immune...

The immune system has "stop and go" molecules to regulate it. When it is in "go" mode, it generates an immune attack. Both B7-H1 and B7-H4 stop the attack --...

Asked by Michael D - 27 months ago


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