// WRITING & REFLECTION
Essays and longer threads live on Substack. This page is an index only.
Featured
Systems, physiology, and building in health
Notes on treating the body and behavior as measurable systems, and what that implies for tools that people will actually use. No full essays here—only pointers to the archive.
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Field notes on longitudinal tracking
Short updates on patterns, instrumentation, and product decisions.
Read on Substack →Engineering tradeoffs in consumer health
Signal vs noise, adherence, and when to stop adding features.
Read on Substack →Reading list and synthesis
Curated threads tied back to HeartWire projects and experiments.
Read on Substack →