# The internet says a sauna can raise your growth hormone sixteen times.

- Series: [Saunantakaa](https://miu.fm/saunantakaa.md)
- Published: 2026-10-17
- Place: [Oulu](https://miu.fm/oulu.md)
- Page: https://miu.fm/saunantakaa/the-internet-says-a-sauna-can-raise-your-growth-hormone

## Story

The internet says a sauna can raise your growth hormone sixteen times.

The dream: a hormone shot, made of steam. So, is the sauna a performance drug, or just a hot room?

The number is real. It comes from a study in Oulu, Finland, in 1986: ten men, eighty degrees, one hour twice a day, seven days in a row. And the scientists' own guess, for why? Perhaps dehydration.

The spike faded as the week went on. In another study, one hour after the sauna, it was back to normal. No study shows it builds muscle, or adds years. And the famous "perfect cycle" online mixes different experiments.

The Finns never counted the hormone. They counted the rounds. Sixteen-fold, and very thirsty.

One study's description, not advice. Drink water. Leave the heat when your body says so.

The transparencies in the film are our drawings; the journal page is set from the paper's citation and abstract, not a copy of the printed page.

Sources: Leppäluoto et al. (1986), Endocrine effects of repeated sauna bathing, Acta Physiologica Scandinavica 128: 467-470; Lammintausta et al. (1976), Annals of Clinical Research; West et al. (2010) and West and Phillips (2012) on exercise growth hormone and muscle.
Sounds: Freesound (CC0): _stubb, mcmikai, SukritSen, Developer_Jake, Ambiabstract, XanTheRock, mrrap4food, nezbednik, toxiccreed13, Pherbus, Kodack, TRP, tonalt; Mökkiperikunnalle sounds (CC0).

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