BHOS

Dispatches

Writing and field notes from the bathroom health ecosystem — essays, interviews, briefings, and on-the-ground reports from people building this category.

All dispatches

Writing & field notes
New pieces added regularly
placeholder · imageField dispatch · Tokyo
Latest28 April 2026 · Tokyo

BHOS in Tokyo at Sivans' Old School? - Smart School! event

A public launch and a press conversation, attended by researchers and operators from the wider field. Notes from the room, with context on what the launch signals for everyday bathroom health — and what questions remain open.

The BHOS editors7 min read
Read the dispatch
placeholder · imageEssay
On Signal

A daily touchpoint with real signal potential

What the bathroom makes available, passively — and why that matters for prevention, monitoring, and everyday health understanding.

BHOS Editors4 min
draft · litepaperDownload PDF
Draft Release

The BHOS Litepaper

The first full articulation of the BHOS systems architecture — covering data sovereignty, shared language, trust infrastructure, and the conditions required for bathroom health to become a genuine public good rather than a replay of consumer tech.

BHOS EditorsPDF ↓
placeholder · imageBriefing
Systems View

Why the window is narrow

Health data categories don't stay open for long. What happens if shared language isn't built before capital consolidates — and what to do about it.

BHOS Editors5 min
placeholder · imageField Note
From the Field

What the pilot taught us

Notes from a neighbourhood-scale pilot testing interoperability between bathroom sensors and clinical health records.

BHOS Editors6 min
placeholder · imageAnalysis
On Governance

Whose data is it, really?

An analysis of data ownership models in health tech — and what a genuinely sovereign architecture for bathroom health would look like.

BHOS Editors8 min
placeholder · imageOpinion
On Capital

The investors who get it

Not all capital is equal. What aligned investment looks like in a category where data governance determines whether the thing works at all.

BHOS Editors5 min
Get involved

Join the work,
in public.

The simplest way to participate now — and to help shape something before it consolidates. We write, convene, and build for the people this category most affects.

01 · For Individuals

Sign up for updates

The BHOS newsletter — dispatches, essays, and early access to reports and convenings.

02 · For Writers

Write for dispatches

Pitch an essay, interview, or field note. We publish writing that advances shared understanding of this field.

03 · For Organisations

Inquire about corporate membership

For funders, corporates, and institutional partners who want to shape the work and support the research, mapping, and convening.