Downloads (PDF)¶
Every chapter is free to download and print. Each PDF includes the chapter, its quiz with answers, and a screenshot of its MicroSim with a link to the live version. The simulations themselves only work online.
The full book¶
- Gut Check: full book (all 20 chapters, quizzes, and the glossary; 671 pages, 21.7 MB, with bookmarks)
Chapters¶
| Chapter | Size | |
|---|---|---|
| 1. The Brain in Your Belly | Download | 1.0 MB |
| 2. The Vagus Highway | Download | 1.0 MB |
| 3. Meet the Microbiome | Download | 1.1 MB |
| 4. The Immune System as a Sense Organ | Download | 1.0 MB |
| 5. Chemical Messengers and the Serotonin Myth | Download | 0.9 MB |
| 6. Fiber, Fatty Acids, and the Blood-Brain Barrier | Download | 1.0 MB |
| 7. Stress and the Gut | Download | 0.9 MB |
| 8. Pain, Sensitivity, and the Gut | Download | 1.0 MB |
| 9. Inflammatory Bowel Disease | Download | 1.0 MB |
| 10. IBS and Disorders of Gut-Brain Interaction | Download | 1.1 MB |
| 11. Anxiety, Depression, and the Gut | Download | 1.0 MB |
| 12. Celiac Disease and Food Reactions | Download | 1.0 MB |
| 13. Autism, ADHD, and the Gut | Download | 1.0 MB |
| 14. Parkinson's, Alzheimer's, and the Gut | Download | 0.9 MB |
| 15. Food and Mood | Download | 1.0 MB |
| 16. Probiotics, Prebiotics, and Psychobiotics | Download | 1.0 MB |
| 17. Medicine for the Gut-Brain Axis | Download | 1.0 MB |
| 18. Sleep, Exercise, and Therapy | Download | 0.9 MB |
| 19. Culture, Food, Family, and Stigma | Download | 0.9 MB |
| 20. Be Your Own Scientist | Download | 1.1 MB |
Printables¶
- Questions to Ask Your Doctor: open the page and use your browser's Print command.
- Mock Exam and Pilot Study Kit: print from the browser the same way.
These PDFs are licensed CC BY-NC-SA 4.0. Teachers, clubs, and patient groups may print and share them for free. They were generated on October 24, 2026; the website is always the most up-to-date version.