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Digestive Data

Ryan Galitzdorfer

Where the gut-brain connection meets daily behavior. Research-driven guidance for people with chronic digestive conditions.

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Substack
PricingOnly free issuesPublishesWeekly
Issues41Foundeda year agoLast Issue8 days ago
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Latest Issues

Inside Ultra-Processed Foods

Few topics in nutrition have moved as fast as ultra-processed food. A term that barely existed in public conversation fifteen years ago is now embedded in national dietary guidelines, contested in legislatures, and cited for nearly every mo...

8 days ago
9
5

An Evidence Backed Guide to Bloating

Bloating is one of the most common symptoms among people with digestive issues, affecting nearly one in five adults worldwide (PubMed). For some, it’s a minor part of the day that passes on its own. For others, especially those living with...

a month ago
9

The Brain Fog That Outlasts the Flare

When people think of inflammatory bowel disease, they tend to think of what happens in the digestive tract: abdominal pain, bloating, urgency, and irregular bowel movements. But the inflammatory nature of IBD extends far beyond the gut, inf...

a month ago
10
6

FPI Update #9: What the Model Revealed

For the last five months, this series has been focused on laying out the framework for functional performance and all of the preprocessing that has come with it. In short, we’ve covered the three core layers to the system:

  1. Context: Wh...
2 months ago
7
3

The Gut Has a Data Problem

For all the attention gut health has received in recent years, the data layer underneath it is surprisingly thin. The wellness industry has built an entire category around supporting, repairing, and optimizing the gut. But the infrastructur...

2 months ago
13
4

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  • Ryan Galitzdorfer

    Exploring the connection between gut health, daily behavior, and cognition. Half research, half building the Functional Performance Index (FPI). Grounded in lived experience with chronic digestive disease.

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