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The Science & Experience of Cold Plunge Therapy
Research & Clinical Partners
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Cold Boosts Testosterone
Precooling exercise with an ice bath will boost total testosterone in men, whereas doing an ice bath after exercise can suppress testosterone in the short term. A new study shows that over a longer time period, such as 10-14 days, it appears that cold-stimulated mitobiogenesis boosts sex hormone synthesis.

Thomas P Seager, PhD
Sep 267 min read


Cold Shock for Hair Growth
It is a popular misconception that elevated testosterone causes male baldness. Instead, men lose hair for a number of reasons that could include: thyroid disorders, poor blood flow to the scalp, inflammation and other autoimmune disorders, light starvation. Cold shock can help resolve all of these. Juan Ricardo Perez-Escamilla says he started regrowing his own hair after adopting a regular practice of cold showers.

Thomas P Seager, PhD
Sep 126 min read


Mitobiogenesis by Hydrogen
When hydrogen gas is produced naturally in the gut, it signals mitobiogenesis and boosts mitochondrial dynamics, explaining wide the broad health benefits of hydrogen therapy. In the absence of gut production, a hydrogen bath like the Morozko Mineral Skinny Bath is a good substitute. A 90-year-old Morozko customer quit all his pain medications after 4–5 sessions and gained energy.

Thomas P Seager, PhD
Aug 27 min read


Why Athletes Ice Bath
Research on elite athletes found medal winners did ice baths more often than less successful athletes. Elite performers from the NFL, NHL, MLB, PGA and Joe Rogan all credit mental benefits. The 4 top reasons elite athletes use ice bath use baths, ranked from most popular to most powerful.
1) Recovery, to reduce soreness
2) Injury repair, whole-body preferred over ice packs
3) Performance, precooling boosts muscle power
4) Psychological resilience, parasympathetic tone

Thomas P Seager, PhD
Jul 1614 min read


Magnesium is Critical for Cold Thermogenesis
Ice baths can deplete bones of magnesium. Add Morozko Minerals to your ice bath to promote transdermal absorption of magnesium, zinc, copper, and potassium.

Thomas P Seager, PhD
Jun 209 min read


Cold Thermogenesis Boosts Vitamin D via Biophotons
An American woman with multiple sclerosis (MS) discovered her blood serum levels of Vitamin D more than doubled after adopting a regular ice bath practice. Her results corroborate a study of Polish women with MS who experienced a significant increase in Vitamin D after ten sessions of whole body cryotherapy.

Thomas P Seager, PhD
Jun 152 min read


Mineral Salts Make Ice Baths Better...
Which salts are safe and beneficial to add to your ice bath, and which to avoid? Follow this guide to mineral salts & other additives.

Thomas P Seager, PhD
Jun 614 min read


Hypertension by Ice Bath
The most important contraindication to cold plunge is hypertension. Nitrates, dry sauna, & sunshine might help counteract adverse effects.

Thomas P Seager, PhD
Jun 511 min read


Ice Bath Eases Pregnancy
Marisa discovered some surprising benefits of ice baths late into the 3rd trimester of her pregnancy.

Thomas P Seager, PhD
May 235 min read


Beyond Red Light Therapy
Although red light photobiomodulation is the most popular, green light phototherapies that target melanin are superior for promoting skin health. This post reviews the therapeutic potential of the entire solar spectrum, introduce three new LED phototherapy devices, and explains the role of biophotons in the human body.

Thomas P Seager, PhD
May 1723 min read


Ice Bath Innovation Value
Morozko Forge pioneered ice-making baths with a unique direct expansion refrigeration system that maintains both ice and water at exactly 32°F (0°C) — a feat most HVAC experts said couldn't be done. Unlike the flood of cheap Chinese-made plunges that rely on unreliable aquarium-style chillers, Morozko stayed with proven mechanical direct expansion technology for superior reliability. Grounding, ozone, ice-making, and Epsom salt are innovations that set Morozko apart from ot

Thomas P Seager, PhD
Apr 410 min read


Multiple Sclerosis Relief
Cold plunge therapy in the ice bath helps multiple sclerosis patients manage symptoms of fatigue and muscle weakness. Heat extraction and biophoton production for Vitamin D are critical mechanisms that modify MS.

Thomas P Seager, PhD
Mar 305 min read


Grounding Boosts Mitochondrial Function
Grounding in the Morozko ice bath improves mitochondrial membrane potential to boost ATP production.

Thomas P Seager, PhD
Mar 123 min read


Resolving Raynaud's
Cold plunge therapy is the paradoxical resolution to Raynaud's. While medical advice is to avoid cold or take drugs like calcium-channel blockers or Viagra to suppress vasoconstriction, these approaches merely manage symptoms without addressing root causes. Raynaud's often signals underlying hypothyroidism and loss of brown adipose tissue (BAT), which converts T4 to active T3 for thermogenesis. Cold fixes it by stimulating the body to recruit new brown fat & re-regulate the t

Thomas P Seager, PhD
Feb 2110 min read


Defy Medicine Without Dying
Popular medical misconceptions regarding the origins of chronic illness all point towards a lifetime of taking drugs that do not cure any disease. I prefer to ice bath every day, because the real cause of chronic illness is mitochondrial dysfunction. Caring for my mitochondria is a better way for me to live than a lifetime of multiple prescription medications.

Thomas P Seager, PhD
Feb 1512 min read


Hydrogen Bath for Health
Hydrogen bath therapy improves metabolism by rebalancing the gut microbiome and initiating mitobiogenesis. Alex Tarnava, inventor of the hydrogen water tablet, explains the science on the Uncommon Living podcast, and Thomas Seager. PhD introduces the Morozko Mineral Bath -- the first commercially available hot tub with a hydrogen cycle.

Thomas P Seager, PhD
Feb 109 min read


Cold Water Immersion (CWI) Therapy for PTSD
An ice bath practice can resolve symptoms of PTSD by activating the parasympathetic response associated with the dive reflex.

Thomas P Seager, PhD
Jan 3112 min read


Ice Bath for Female Fertility
Therapies that target mitochondria support female fertility past 40. Sarah Kleiner had natural conception and gave birth to a healthy baby boy after only four months of regular cold water immersion therapy. Sunshine and Vitamin D also support healthy development of immune function and the brain.

Thomas P Seager, PhD
Jan 179 min read


Do Sex Hormones Modify Women's Cold Sensitivity?
Differences in sex hormones do little to modify cold sensitivity in men and women, despite popular social media posts to the contrary. Data suggests cold training has a bigger impact on women than menstrual cycle.

Thomas P Seager, PhD
Jan 410 min read


Set Your Ice Bath to a Temperature That Frightens You
The psychological benefits of the ice bath are only found at temperatures low enough to scare you, which is why Joe Rogan plunges at 34F.

Thomas P Seager, PhD
Dec 18, 20256 min read


Migraine Headache Pain Relief | Ice Bath & Green Light
Ice bath reduces frequency of migraine headache, but is not for use during an attack. Use green light for rapid headache pain relief.

Thomas P Seager, PhD
Dec 14, 202511 min read


Glycation Dangers
Glycation is the health risk you've probably never heard of. When blood glucose gets too high, proteins, lipoproteins, and phospholipids become irreversibly attached to glucose. The result is heart disease, accelerated aging, and increased mortality. Ice baths mitigate the risks of glycation by clearing glucose from the blood stream and improving insulin sensitivity to lower blood glucose levels.

Thomas P Seager, PhD
Dec 11, 20258 min read


Some People Might NOT Want to Buy a Morozko
Morozko is the most hated ice bath brand in the world. These are all the reasons you might NOT want to buy a Morozko and why Joe Rogan almost does not ice bath every day.

Thomas P Seager, PhD
Nov 15, 20255 min read


Winter Settings for Outdoor Ice Bath
Prepare your ice bath and your body for outdoor cold plunging during the winter.

Thomas P Seager, PhD
Nov 8, 20254 min read
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