Just Rodents

Gentle Contrast Therapy: The Thousand-Year-Old Free Thing, Now $8,999

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TL;DR, says Steve the Hypothetical Gerbil: There is a wellness treatment that involves alternating hot and cold water. It has existed in Scandinavia for roughly a thousand years. It is free, if you have a lake. It now costs $8,999 in Manhattan Beach. Steve would like a word.


There is a treatment.

It involves cold water. And hot water. Alternating.

This practice has existed in Scandinavia for approximately one thousand years, available to anyone with access to a lake and a sauna.

It now costs $8,999.

For several years, wellness culture insisted you submerge yourself in near-freezing water. Cold plunges. Ice baths. Outdoor tubs in January. Men on podcasts shouting about dopamine while sitting in buckets.

This was the protocol. This was the science. This was, we were told, what separated the optimised from the merely alive.

Then some doctors pointed out that extreme cold exposure might not be entirely ideal for women's physiology.

This was a problem. Not because the industry cared much about women's physiology, but because women represent a significant percentage of the wellness market.

A solution was required.

The solution was Gentle Contrast Therapy. The same thing, but gentler. And more expensive.

The Facility

Heal LA in Manhattan Beach, California, offers what it describes as a "longevity studio."

The studio contains a HaloSauna, which combines infrared heat, red light, colour therapy, and salt. A Cryo Dry Float, which delivers cold exposure without the shock of actual cold water. A VEMI bed. A hyperbaric chamber. Red light. Blue light. Normatec boots. PEMF therapy. An Ammortal Chamber.

The Ammortal Chamber is spelled without the 'i'.

This is either a profound philosophical statement about the nature of mortality or a typo on a piece of equipment costing several thousand dollars. The industry has not clarified which.

The Gwyneth Principle

Before proceeding, it is important to establish the benchmark.

Gwyneth Paltrow, the patron saint of expensive wellness, has disclosed that she now plunges "sparingly, and for less time than her husband Brad."

This information has been shared with the world. We are invited to consider what it means.

That Gwyneth and Brad have separate cold plunge durations is presented not as a detail about two people who own a cold plunge, but as guidance. A data point. A signal from the frontier of optimised living.

Brad, apparently, plunges longer. Whether this represents a physiological difference, a domestic negotiation, or a competitive wellness dynamic has not been disclosed. We are left to wonder.

The Treatment

A wellness editor arrived at Heal LA feeling "foggy" and "flustered after sitting in traffic." She left feeling "incredibly calm, as if she'd just taken a rejuvenating nap."

This transformation, available free of charge via an actual nap, was achieved through the following protocol.

First, the Cryo Dry Float. You keep your clothes on. You are wrapped in two silicone sleeves, "like a little cocoon." You are lowered into a tub. Cold water fills the sleeves above and below your body. You do not actually touch the cold water. You are, in the technical sense, wearing a wetsuit in a bath.

Then, the HaloSauna. Set, in this instance, to green light, which is "thought to be anti-infectious." Not known to be. Not proven to be. Thought to be. By whom is not specified. The sauna also features "medical-grade dry salt therapy, similar to sitting in a salt cave," which is similar to, but distinct from, actually sitting in a salt cave, which is free.

Ten minutes. Water break. Repeat twice.

By the end, the editor's congestion had "subsided." She notes, with admirable honesty, that "it may have been in my head."

It may have been.

The Science

There is genuine science here, and it deserves acknowledgment.

Finnish cohort studies have found frequent sauna use associated with reduced risk of cardiac death and lower incidence of Alzheimer's. This is real. This is documented. This has been known for some time.

The Scandinavians, who have been doing this for a thousand years in lakes and wooden huts, did not require a HaloSauna, a Cryo Dry Float, or a VEMI bed to access these benefits. They required a lake. And a wooden hut.

The lake is free. The wooden hut is considerably less than $8,999.

The Products

Should you wish to replicate the Heal LA experience at home, the following are available.

HigherDOSE Red Light Shower Filter, $599. It is a shower filter. With red light. For $599. Your shower, without the filter, also produces water.

HigherDOSE Infrared Sauna Blanket, $699. You get inside it. You get warm. This is, functionally, a duvet with ambitions.

HigherDOSE 2-Person Full-Spectrum Infrared Sauna, $8,999. A sauna. For two people. In case you and your partner wish to have different session lengths, like Gwyneth and Brad, but in your own home.

Therabody RecoveryTherm Cube, $179.99. For post-workout contrast therapy without getting wet. It is a cube. It gets hot and cold. It is $179.99. A bag of frozen peas is $1.49 and has been managing post-workout inflammation since approximately 1975.

The Language

The wellness industry has developed a precise vocabulary for this category of product. A brief glossary.

"Thought to be": not proven, not studied, not verified, but someone thought it, and that someone works here.

"Longevity studio": a room with expensive equipment and soft lighting.

"Gentle": the same thing as before, but marketed to people who found the previous version alarming.

"Intuitive, nervous-system-led approach": we turned the temperature down slightly.

"Hormesis": a real scientific concept, deployed here to justify anything involving mild discomfort and a monthly membership fee.

"Ammortal": immortal, misspelled, on a chamber costing several thousand dollars. We are choosing to believe this is intentional.

The Pivot

The genius of Gentle Contrast Therapy is not the therapy. It is the pivot.

The industry sold extreme cold as the protocol. When the backlash came, it did not retreat. It evolved. It repackaged the same practice as more sophisticated, more nuanced, more attuned to the complexity of the female body.

The cold shower became the Cryo Dry Float. The wooden sauna became the HaloSauna with colour therapy and salt. The lake became a longevity studio in Manhattan Beach.

The price increased accordingly.

The lake remains free.

Take a cold shower. Then a warm one. Repeat.

You have just performed contrast therapy.

You are welcome.


Steve the Hypothetical Gerbil has reviewed the evidence and would like to note that he has been taking cold showers behind the radiator for years at no cost. He reports feeling "optimised."