Field notes
on wellness.
Discover the research, science and benefits of investing in your wellness..
Articles

What a hot tub actually costs to run
Real UK figures for electricity, chemicals and servicing, and the point where a heat pump changes the maths.

Hot tub heat pumps, explained
How an air source heat pump cuts running costs by around 75 percent, what it needs, and which tubs it fits.

The science of sauna
What decades of Finnish cohort research found about regular heat, the heart and lifespan.

Infrared vs traditional sauna
Two different kinds of heat and two very different sessions. A UK buyer's guide to choosing between them.

The evidence behind heat and cold
Published research on hot water, cold water and contrast bathing, written in plain English.
Water care and maintenance
Testing, dosing, filters and the weekly ten minute routine that keeps your water clear and safe.

What is a wellness yard?
Heat, cold and rest in your own garden, and how the pieces fit together into something you use every week.
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Save up to £400 when you bundle.
Pair any two from hot tub, sauna and ice bath for up to £250 off — or pick all three for up to £400 off. The exact saving scales with your bundle's value.
From the lab notebook.
A small, growing library of background reading: the papers we cite, the terminology we use, the questions we hear most often. Built to be skim-able, always linked back to the primary source.
Five papers we keep coming back to
Laukkanen, Šrámek, Patrick, Buijze, Mooventhan — each with a link to the primary source.
Hormesis, in 60 seconds
Why a controlled stress is the entire point.
Is it safe with high blood pressure?
What the cardiology literature actually says.
How we cite — and why we hyperlink primary sources
Every figure on the science page is a live link to the source paper.
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The new essays, the occasional offer, and a single useful thing we learned that week. No more than five minutes of your morning, and an unsubscribe link at the bottom of every one.
