Digestive Data | Ryan Galitzdorfer | Substack

DSI Update #2: Building a Framework for Digestive Stability

Defining how context, drivers, and outcomes form the foundation for a population-based system using 1,000+ parameters to personalize gut health

Jan 15 • Ryan Galitzdorfer

The Gap Between Tests and Symptoms

Why do digestive symptoms emerge long before disease appears?

Jan 8 • Ryan Galitzdorfer

DSI Update #1: The Vision for 2026

Introducing the Digestive Stability Index and the thinking behind its development

Jan 2 • Ryan Galitzdorfer

Digestion Under Stress

Why does holiday strain amplify digestive symptoms so quickly?

Dec 26, 2025 • Ryan Galitzdorfer

The Mismatch in Modern Medicine

What Happens When Healthcare Systems Built for Crises Are Asked to Manage Chronic Illness?

Dec 18, 2025 • Ryan Galitzdorfer

Data Projects

Are Digestive Diseases Becoming Easier to Survive but Harder to Avoid?

A three-decade view across OECD countries shows which conditions are rising, which remain rare, and how severity differs by gender and over time.

Dec 4, 2025 • Ryan Galitzdorfer

Which States Lead and Lag in Digestive Health?

A three-decade analysis of national DALY trends, state-level disparities, and health-system clustering to show where digestive burden rises or falls.

Nov 24, 2025 • Ryan Galitzdorfer

Are Digestive Cancers More Connected Than We Think?

PCA clustering exposes a shared risk structure linking behavior, diet, and metabolism across five major cancer types.

Nov 6, 2025 • Ryan Galitzdorfer

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Colitis and Crohn's HQ

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Research-Based

The Gap Between Tests and Symptoms

Why do digestive symptoms emerge long before disease appears?

Jan 8 • Ryan Galitzdorfer

Digestion Under Stress

Why does holiday strain amplify digestive symptoms so quickly?

Dec 26, 2025 • Ryan Galitzdorfer

The Mismatch in Modern Medicine

What Happens When Healthcare Systems Built for Crises Are Asked to Manage Chronic Illness?

Dec 18, 2025 • Ryan Galitzdorfer

Digestive Data

Digestive Data

Where gut health meets numbers. Data-driven insights on care, diagnostics, and the blind spots the system ignores.

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