The brain is vital in controlling and regulating the immune system. If the left side of the brain is dominate, the immune system will be too aggressive. If the right side of the brain is dominate, the immune system will be to relaxed. I love that science is seeing the body as one big whole and not just in parts.
Part 1
http://stgnucca.podbean.com/e/a-strong-nervous-system-a-strong-immune-system/
Part 2
http://stgnucca.podbean.com/e/good-brain-good-immune-system-part-2/