Chapter 8: The Immune System's Education
Your immune system is not a weapon. It is a student. And modern sterility has left it dangerously uneducated -- attacking your own body because it never learned what's harmless.
◆ Key Insights
70% of your immune tissue surrounds your gut -- it was designed to learn from the microbial world, not to be shielded from it
The 'old friends' hypothesis explains why children raised on farms have dramatically lower rates of asthma and allergies
Parasitic worm therapy is being tested for autoimmune diseases -- because your immune system expects parasites it no longer has
The TH1/TH2 imbalance caused by insufficient microbial exposure may explain the explosion of allergies, asthma, and autoimmunity
An immune system that never meets its teachers becomes a system at war with itself
Read the full chapter to understand why our cleanest generation is also our sickest -- and what the immune system actually needs to learn.
Want to read the full chapter?
Get all 34 chapters, 200+ scientific sources, and the interactive workbook.
Get Spiral Staircase on AmazonHow aligned is your life with what your body expects?
Take the Mismatch Assessment