Regulation of the immune response has been efficiently explained in these 2 videos. Click on the links below to see them. A good working knowledge of the immune system will be your best ally to improved health.
Regulation of the Immune Response to Pathogens: Part 1
Regulation of the immune Response to Pathogens: Part 2http://hstalks.com/main/view_talk.php?t=2458&r=611&c=252