Belonging is part of the dose
New UK research suggests the shared ritual of sauna matters as much as the heat. Why the people you bathe with are part of the benefit.
The Research
Read the studies, not the hype.
Every piece here starts with a paper, names it, and says what it does and does not show. Written for people over forty who want the evidence before the equipment.
A sauna does not cancel high blood pressure
Frequent sauna tracked with lower risk in men with high-normal blood pressure, but not once pressure was elevated. Know your numbers.
Heat and the ageing brain: reading the Finnish dementia data carefully
Dementia Action Week begins today. The most shared sauna statistic, explained with its limits intact.
Train, then sweat: the trial that put sauna on top of exercise
The best evidence for sauna is not sauna instead of training. It is sauna after training. Inside the eight-week randomised trial.
One sauna session, a surge of white blood cells
A 2026 Finnish study watched the immune system through a single 30-minute sauna. The cells moved, then settled. Here is what that does and does not mean.
Löyly is not decoration: new Finnish research on sauna steam
A July 2026 study found humidity shapes the body's response to sauna as much as air temperature does. Here is what that means for how you bathe.
The 11-minute rule, re-read
The internet's favourite cold and heat dose came from a description of what one group of swimmers did. What the study actually showed.
World Heart Day: the Finnish heart data in plain numbers
The cornerstone sauna study, explained properly: who was studied, what they used, what the results mean and what they cannot tell you.
Women, sauna and sleep
Most sauna data comes from Finnish men. A 2026 Swedish study looked at what women and men report after bathing.
Who should not use a sauna, and how older adults use one well
The safety question, answered first. Who should avoid sauna, what raises risk, and simple habits for bathing well after 50.