Wednesday, May 16, 2012

Immune system

The most important part in our body is the immune system which is essential for our survival.The immune system save our body and disorder may be starting point of many disease.But some times our immune system is to weak and unable to save or to efficiently fight infection of diseases which leads AIDS or human immunodeficiency virus"HIV" and this virus infected individual remains apparently healthy for long time or ADHD and many other diseases that will kill our body and leads to death at the end.
On the other hand many people their immune system is to aggressive and protect our body in a big way that it attack harmless elements from the environment and this immune system is not absolutely good since it is case of allergies

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