Chapter Metrics
Generated by: Book Metrics Python Program v0.09
Generated on: October 23, 2026 at 10:47 PM
This file contains chapter-by-chapter metrics for student-facing content.
| Chapter |
Name |
Sections |
Diagrams |
Equations |
Words |
Links |
Quiz |
Refs |
| 1 |
Chapter 1: The Brain in Your Belly (and Why That Phrase Is Misleading) |
27 |
1 |
0 |
11,462 |
40 |
10 |
12 |
| 2 |
Chapter 2: The Vagus Highway |
28 |
1 |
0 |
11,130 |
50 |
10 |
12 |
| 3 |
Chapter 3: Meet the Microbiome |
28 |
1 |
2 |
10,596 |
48 |
10 |
12 |
| 4 |
Chapter 4: The Immune System as a Sense Organ |
29 |
1 |
0 |
11,305 |
51 |
10 |
12 |
| 5 |
Chapter 5: Chemical Messengers and the Serotonin Myth |
28 |
1 |
0 |
10,370 |
48 |
10 |
12 |
| 6 |
Chapter 6: Fiber, Fatty Acids, and the Blood-Brain Barrier |
24 |
1 |
0 |
10,987 |
53 |
10 |
12 |
| 7 |
Chapter 7: Stress and the Gut |
26 |
1 |
0 |
10,652 |
47 |
10 |
12 |
| 8 |
Chapter 8: Pain, Sensitivity, and the Gut |
27 |
1 |
0 |
11,440 |
52 |
10 |
12 |
| 9 |
Chapter 9: Inflammatory Bowel Disease: Ulcerative Colitis and Crohn's |
34 |
1 |
0 |
11,508 |
46 |
10 |
12 |
| 10 |
Chapter 10: IBS and Disorders of Gut-Brain Interaction |
36 |
1 |
0 |
11,246 |
43 |
10 |
12 |
| 11 |
Chapter 11: Anxiety, Depression, and the Gut |
31 |
1 |
0 |
11,075 |
57 |
10 |
12 |
| 12 |
Chapter 12: Celiac Disease and Food Reactions |
30 |
1 |
0 |
11,250 |
41 |
10 |
12 |
| 13 |
Chapter 13: Autism, ADHD, and the Gut |
32 |
1 |
0 |
10,826 |
49 |
10 |
12 |
| 14 |
Chapter 14: Parkinson's, Alzheimer's, and the Gut |
27 |
1 |
0 |
11,371 |
48 |
10 |
12 |
| 15 |
Chapter 15: Food and Mood |
30 |
1 |
0 |
9,641 |
37 |
10 |
11 |
| 16 |
Chapter 16: Probiotics, Prebiotics, and "Psychobiotics" |
32 |
1 |
0 |
11,375 |
50 |
10 |
12 |
| 17 |
Chapter 17: Medicine for the Gut-Brain Axis |
39 |
1 |
0 |
11,785 |
63 |
10 |
12 |
| 18 |
Chapter 18: Sleep, Exercise, and Therapy |
35 |
1 |
0 |
11,211 |
56 |
10 |
12 |
| 19 |
Chapter 19: Culture, Food, Family, and Stigma |
27 |
1 |
0 |
10,245 |
43 |
10 |
12 |
| 20 |
Chapter 20: Be Your Own Scientist: Reading Health Claims |
28 |
1 |
1 |
11,427 |
62 |
10 |
12 |
Metrics Explanation
- Chapter: Chapter number (leading zeros removed)
- Name: Chapter title from index.md
- Sections: Count of H2 and H3 headers in chapter markdown files
- Diagrams: Count of H4 headers starting with '#### Diagram:'
- Equations: LaTeX expressions using $ and $$ delimiters
- Words: Word count across all markdown files in the chapter
- Links: Markdown-formatted links
[text](url)
- Quiz: Number of quiz questions in the chapter's quiz.md (0 if none)
- Refs: Number of references in the chapter's references.md (0 if none)