Community health, made clearer
Mapping health. Driving impact.
Find a clearer path
Health information for the places we call home.
Terravia maps chronic disease patterns across Massachusetts and puts the underlying data in plain terms, so communities and the people who serve them can see where the need is greatest.
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Massachusetts county health data
Model-based estimates from CDC PLACES (2025). Not medical advice.
Getting started
How it works
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Pick a condition
Diabetes, asthma, high blood pressure, and more.
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See where it concentrates
The map shades every county, with confidence intervals.
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Ask a question
The assistant answers from the data and cites the source.
See it on the map
Chronic conditions by county
Select a county to explore its estimate.