A free interactive resource from Timothy Carpenter, MD
Your brain doesn’t live in a bubble.
Your digestive system and brain are in constant conversation.
Explore the gut–brain axis, notice your own patterns and build a thoughtful seven-day experiment.
Dr. Carpenter here.
Let’s learn without turning curiosity into self-diagnosis.
Brain fog. Poor concentration. Stress. Sleep changes. Digestive issues. People often think about these separately, but the human body does not operate as a collection of independent systems.
The gut–brain axis describes communication involving the nervous system, immune signals, hormones and compounds made by intestinal microbes. This guide helps you understand the science without blaming every symptom on the microbiome.
— Timothy Carpenter, MD
Educational disclaimer
This guide is educational and does not diagnose digestive, cognitive or mental health conditions. Gut–brain research is evolving, and symptoms can have many causes that require individualized evaluation. This resource is not medical advice and does not establish a physician-patient relationship.