What role does dietary fiber play in digestion?
Dietary fiber serves two crucial functions in digestion: insoluble fiber adds bulk to stool and speeds up its transit through the colon, while soluble fiber nourishes the gut microbiome and helps regulate water absorption in the intestinal wall. Removing fiber disrupts both of these mechanisms, leading to constipation.
✦
This is one answer. The complete system — the psychology, the biology, and the method — is in the book.
Read The Willpower Lie →Found an error? Let me know →