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Is there scientific evidence supporting the use of ice baths, or are they just overrated? Could it be they’re a hobby for daredevils who like to indulge in extreme challenges?
Sure, cold therapy is a hot topic nowadays, but it’s not just a trendy wellness fad, it’s a well-studied technique with documented benefits.
Research has found numerous evidence for the benefits of ice baths, from a happy heart to relief from pain and inflammation.
You don't have to be an athlete to indulge in ice baths, anyone who wants to improve the quality of their life is welcome to our community. We rely on ice baths to boost our immune system, speed up recovery, and improve our overall performance.
We’ve prepared an interesting article that will take you through:
Let’s shovel away the frosty layers of doubt and uncover the science that supports ice baths.
The history of cold therapy spans across different cultures and time periods. Back in 3500 BCE, the Egyptians pioneered the use of cold compresses to treat injuries and infection, as recorded in the Smith Edwin Papyrus. [1]
The Greeks too recognised the benefits of cold water immersions for therapy and relaxation. Around 400 BCE, Hippocrates used ice water for its medicinal and analgesic properties. He also applied snow and ice to wounded soldiers to reduce bleeding. [1]
Fast forward to the 1700s and Napoleon’s surgeon, Baron Dominique Larrey, also relied on snow to facilitate painless amputations on soldiers. [2]
In the 19th century, Dr James Arnott from England applied cold therapy to relieve headaches and neuralgia in patients. Later on, he discovered cold can shrink tumours, which paved the way for advanced cold therapy. [2]
Today, we continue using cold therapy in the form of ice packs, cold compresses, and cold gels. However, we’ve taken things to the next level. Instead of immersing only the affected part in ice water, we’re doing full body immersions for peak performance and recovery.
Interestingly, frozen air is now used for medical and cosmetic purposes. Cryotherapy chambers are the latest innovation that exposes the body to liquid nitrogen to reduce inflammation and support recovery. [3]
Indeed, cold therapy is now a universal form of therapy, and to think that it all started with an Egyptian cold compress.
Physiological responses are the body’s reaction to stimuli. They maintain our bodies’ internal balance despite the weird stuff we expose them to.
A classic physiological response is the fight-or-flight response. It happens when your body detects danger and releases adrenaline that enables you to fight or flee.
Similarly, your body detects the change in temperature when it’s immersed in an ice bath, and a series of physiological responses follow to help it adapt.
The good news is that these reactions are profitable to your body and mind. In the next sections, we’ll delve into their benefits.
Inflammation is the body’s natural response to injury or infection, but too much of it can cause pain, swelling, and chronic conditions like arthritis.
When you immerse your body in an ice bath, the blood vessels constrict, reducing blood flow to the affected part and slowing down inflammation. The result is faster recovery from injuries or exercise.
Post-exercise recovery is crucial for several reasons:
Research behind various post-exercise recovery techniques proved significant benefits from cold water immersion. The research showed that ice baths reduce fatigue and the delayed onset muscle soreness (DOMS), which comes after a strenuous workout.
It concluded that cold exposure is one of the most powerful techniques for reducing post-workout inflammation. [4]
To reap these anti-inflammation benefits, get a metal tub, barrel tub, or portable tub and start taking regular plunges in ice cold water.
We all crave a clear mind to help us tackle our tasks. We also desire a positive mood to help us stay calm and enjoy better sleep.
Cold therapy triggers the release of neurotransmitters such as endorphins, which induce a sense of euphoria that diminishes pain and stress. [5] Therefore, it acts as a form of stress inoculation.
Stress inoculation is a form of therapy that trains you to deal with stressful situations by exposing you to small doses of other stressful situations, such as immersion in icy water.
Cold therapy also triggers the release of norepinephrine, which boosts alertness that helps you concentrate.
The table below lists more neurotransmitters that play a role in optimising your mood, focus, and mental clarity.
Neurotransmitter | Type | Where Produced | Function |
Serotonin | Monoamine | Gastrointestinal tract | Improves mood, sleep, digestion, and promotes wound healing |
Dopamine | Monoamine | Brain | Triggers feelings of pleasure, satisfaction, and motivation |
Epinephrine (adrenaline) | Catecholamine | Adrenal glands | Improves metabolism, attention, and excitement |
Glutamate | Amino acid | Brain | Improves memory, cognition, and regulates mood |
Your body’s immune system is a sophisticated system of processes that work together to kick out pathogens such as bacteria, viruses, and rogue cells like cancer cells.
When you plunge in an ice bath, something remarkable happens—white blood cells responsible for defending the body become more active. For instance, in patients with breathing difficulties, cold water immersions greatly reduce the frequency of respiratory infections. [6]
When it comes to metabolism, regular ice bath sessions (3–5 times a week) rev up your brown fat, triggering it to work harder to generate more heat. This process burns calories and helps control weight.
Combine ice baths with proper diet and physical exercise to achieve sustainable results, and check out your body composition using the InBody Body Composition Analyzer.
Immersing your body regularly in ice baths triggers responses from the hormones cortisol and testosterone, which impacts your overall health and fitness.
Some hormones that respond to cold therapy include:
The cardiovascular system is a dynamic duo of the heart and blood vessels. It’s responsible for delivering oxygen and nutrients to the cells and flushing out waste.
Taking a dip in an ice bath constricts the blood vessels, which re-directs blood from the extremities and towards the heart, giving it a kick that boosts its performance.
Expert Tip: If you have a history of heart disease, approach ice baths with caution. Sudden exposure to extreme cold can cause irregular heart beats. Consult a healthcare professional before attempting to take an ice bath.
Cold therapy has intriguing effects on the brain:
Ice baths are a safe and efficient way of recovery and boosting our mood, but just like any other adventure, we’ve discovered there are precautions to observe in order to ensure our safety.
Follow these precautions and you’ll get the most out of your ice dips:
Breathing is key: Learn to control your breathing before, during, and after the ice bath to help you stay calm and focused. The Wim Hof Breathing Method is an effective technique.
While professional athletes are known for using ice baths to promote recovery, anyone can take ice baths to relieve sore muscles after their workout, or just to boost their mood and overall well-being.
Ice baths aren’t dangerous if conducted well. However, if you exceed the recommended time and temperature, or take a plunge knowing you have an existing medical condition, you’ll expose your body to health risks.
Sure, ice baths are trending nowadays, but that’s not to say they’re overrated. They’re trending because people are seeing results. Cold therapy was practised by ancient Greeks and Egyptians. It worked for them then, and it still works today.
The truth is out—there’s real evidence supporting the use of ice baths. Any myth surrounding them shouldn’t prevent you from incorporating them into your wellness routine.
Our goal at The Peak Athletics is to simplify biohacking because the market is full of assumptions and buzzwords that can be intimidating.
We are the trusted guide, a place where anyone who’s unfamiliar with the market can come and ask questions. We want to help you from day one until you become an expert.
We also research and bring the best products to your doorstep. Visit our store and check out our wide range of ice baths for sale.
Check out also the ice bath and chiller bundles that feature an ice bath + cooling heating unit + water pump + double filtration, allowing you to heat or cool your water fast.
Got a question? Ask an expert at 08081 685099.
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