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ice bath benefits

Published: 23-11-2022 - Last Edited: 28-11-2022

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ice bath benefits

Ice baths have become one of the most popular wellness trends in recent years. In my case, it all started when I heard of the Wim Hof method and the ice bath benefits. This method combines breathing techniques and meditation with an epic, fun, and systematic way of exposing ourselves to the cold. Professional athletes have used ice baths for decades to treat sore muscles and enhance muscle recovery after intense exercise.

More research needs to take place to uncover the true extent of ice bath benefits. In the meantime, many people are talking about the benefits of cold therapy. These include increased energy levels, better internal heat regulation, or rock-hard immunity.

Woman experiencing ice bath benefits on an icy lake, with the upper half of her body above the ice and the lower half in contact with ice-cold water

What is an ice bath?

An ice bath is a cold plunge on a tub, jacuzzi, or small pool filled with water and ice, bringing the water temperature to 0º Celsius or 32º Fahrenheit. A bath on an icy lake would also fall in this category.

There’s a strong surge in ice bathing among the rest of us who don’t belong to the world of pro athletes but make health a big priority. We want to take good care of our bodies, use natural methods to increase our energy levels, work on our longevity, and improve our immunity. It’s also a fun and challenging activity to do!

Cold Plunge vs. Ice Bath

In this article, I mention almost interchangeably the terms ice bath and cold plunge.





In a literal way, a cold plunge is any bath we take in cool water (10–15° Celsius or 50–59° Fahrenheit and lower).

Most of ice bath benefits and risks associated with ice baths are similar to that of a cold plunge a few degrees warmer. If you are starting, begin with cold plunges and see if you want to make your way toward icy water.

What are the physical benefits of cold exposure?

Effects of ice baths on blood flow

When you immerse yourself in a cold bath, your blood vessels constrict. This reaction has a rebound effect called vasodilation that occurs when the body warms up again. This widening of the blood vessels increases blood flow, and general blood circulation improves.

At the same time, metabolic waste and toxins are flushed while increasing levels of oxygen and nutrients in the cells.

Reducing inflammation

Inflammation is the body’s natural response when it becomes infected or injured. While this reaction is often very beneficial, it can be triggered unnecessarily, creating further complications and damage to our health.

Scientists have proven that cold water exposure can reduce the concentration of different inflammatory markers and thus help reduce inflammation. Some of these biomarkers might cause chronic inflammation and even autoimmune diseases.

If you suffer from a condition such as an autoimmune disease, talk to your doctor and see if regular cold water immersion could be good for you.

Soothing muscle soreness

It is well known that ice-cold water can have a soothing effect on sore muscles after having an intense workout. It also improves our recovery when we do physical exercise after a prolonged period of inactivity.

The general feeling of soreness is associated with muscle stiffness, weakness, and swelling. Ice bath benefits are, in this case, much more significant than those that ice packs bring. Cold water immersion affects the whole body and not only a localized area.

Helping body temperature regulation

Brown adipose tissue, or brown fat, is a type of fat that contains a considerable amount of mitochondria for thermogenesis. This process helps maintain a warm temperature in your body. Even though we are born with high amounts of brown fat, we lose most of it when we become adults.

Cold water immersion is a proven method to increase the quantity of brown fat in our tissues. This higher level of brown adipose brings the benefit no longer shivering when experiencing cold exposure.

Boost immune system response

A few studies have explored a link between cold exposure and immune system strengthening.

A study published in the Netherlands showed a robust immune response in a group of people who followed the Wim Hof method. This method combines ice baths, meditation sessions, and breathing techniques.

This study demonstrated ways to voluntarily activate our sympathetic nervous system and regulate our innate immune response. This voluntary activation means that we can fight infections or respond to the presence of toxins without causing excessive inflammation.

The immune response of the subjects trained in this method was able to fight a mild infection much quicker and with fewer symptoms than those who did not practice these techniques.

It needs to be clearer how much of the successful immune response was due to the cold water immersion. However, other studies have shown that the stress induced by cold exposure can somewhat activate our immunity.

What are the mental health benefits of ice baths?

Man experiencing ice bath benefits, coming out from full immersion during an ice bath on an icy lake, holding a couple of hand rails that lead to the water

Ice baths can have a powerful positive impact on our overall mental health. Let’s discover the benefits that cold hydrotherapy can bring.

Reduce stress and improve sleep

One of the essential effects of ice baths is lowering cortisol levels. Cortisol is the hormone responsible for inducing a stress response in our body. We need it in the morning to activate our mind and body and tackle the rest of our day. It also becomes useful when we are in danger and our body needs to focus resources on our brain and muscles.

Our modern lifestyle causes this hormone to be released way too often and in too large quantities when it is unnecessary. This constant high level of cortisol can become quite harmful. It causes vital resources to be taken away from other functions of our body, such as the immune or the reproductive systems.

Taking an ice bath or cold plunge regularly can help reduce the level of cortisol our bodies are enduring. This effect can bring several long-term health benefits.

At the same time, cold exposure can increase melatonin levels, the hormone responsible for inducing sleep. Surprisingly enough, while a hot bath might help us feel more relaxed, a cold plunge in the evening will help us sleep quicker and more deeply.

Ice bath benefits | Boost your mood, reduce anxiety and depression, increase focus and alertness

It’s no secret that most of us cannot avoid living with tons of to-do lists, unexpected events, pressure from others. We also live with the general discomfort from things not going exactly as we plan them. One of the essential tools that help us humans deal with this overflow of stimuli and lack of peace is anxiety.

It’s easy to see that anxiety is quite useless and there is few things we can focus on and act upon. It’s much harder, however, to learn to keep this anxiety from creeping into our daily lives.

There are two ways through which ice baths help diminish our anxiety levels.

First, when we take an ice bath, our mind is forced to focus on just one intense stimulus. There is no more jumping from one thought to the next, and our tendency to ruminate dissipates. By having these regular bursts of overstimulation, we are training the ‘monkey’ inside our ‘monkey mind’ to be calmer. This allows us to focus more often on one thing at a time and what it can do.

Second, during an ice bath, we are exposed to a very stressful situation for our body and mind.

This regular exposure to a ‘synthetic’ experience of high discomfort will increase our tolerance to stressful events. Because of this, we will become more resilient and suffer much less, resulting in reduced anxiety levels.

Lastly, going through the experience of an ice bath usually leaves us with an incredible feeling of achievement. We experience a very noticeable boost to our energy level and mood. It’s very similar to having an intense workout or playing a fun game of any competitive sport. It’s one of those feelings that make the whole experience worth it!

Stimulate your vagus nerve

Learning what the vagus nerve is and how to stimulate it should be taught in schools, if not in job training. This part of our nervous system is one of the closest things to a ‘relax the body’ button that we have.

The vagus nerve activates our parasympathetic nervous system, which regulates functions such as resting and digesting.

There are several exercises and techniques to stimulate this nerve, and one of the most potent ways to do this is by practicing cold exposure. We achieve this by learning to regulate our breathing when exposed to cold water and not resorting to our default response of gasping for air.

Thanks to this stimulation and the reduction of cortisol levels, we are becoming much better equipped to deal with stressful situations in our life.

Improving central nervous system function

The general state of our central nervous system improves significantly due to better sleep, reduced cortisol levels, and vagus nerve stimulation.

Thanks to this, we experience great benefits in our mental state and enjoy lower levels of fatigue. A better central nervous system condition can make a difference in performance for athletes since it improves explosiveness and reaction times.

Are ice baths dangerous?

Check first with your doctor

It’s essential to ensure that going through cold water immersion will be safe for you. The best idea is to consult with your doctor about whether cold baths could harm your health.

Do not to miss this step if you suffer from one or more of these medical conditions:

  • Preexisting cardiovascular disease
  • High blood pressure
  • Poor blood circulation
  • Diabetes
  • Venostasis
  • Cold agglutinin disease
  • Neuropathy

What are the risks of ice baths?

Drowning

Any bath comes with the inherent risk of drowning. While this risk is extremely low, it increases significantly when we are under the influence of alcohol or drugs or when young children take a bath unsupervised.

In the case of ice baths, the gasping reflex that we usually get when first touching the chilled water increases the chances of drowning when our head is completely submerged underwater while getting this impulse.

Hypothermia

Hypothermia occurs as your core body temperature drops a few degrees below nominal.

This process takes place in different stages. The first 3 minutes induce the cooling of our skin. After those 3 minutes, a cooling of our superficial muscles takes place. After about 30 minutes, our deep tissue begins to lose temperature, which is when hypothermia occurs.

Heart failure

Some peer-reviewed studies have found that heart failure could occur during an ice bath if we submerge entirely and very quickly into the water without giving time to our body to react. In this situation, our heart would receive two opposite signals, and diving into the water would trigger the response to hold our breath, while the sudden intense cold would provoke the gasp reflex to kick in.

This conflict of signals could, hypothetically, induce a regular heartbeat and even cause the heart to stop. In any case, anyone with any form of heart disease should refrain from taking ice baths.

Simple guidelines for a safe ice bath

Wooden deck with a set of stairs on a lake with ice that is melting

Even if you have an excellent overall health condition, you should not overestimate some risks associated with ice bathing and keep in mind some basic safety precautions:

Getting in and out

Make sure you can come out of the bath without difficulty, even if your muscles become stiff. The last thing you want is to struggle to push yourself out while your body temperature decreases. For this purpose, avoid natural settings such as holes in icy lakes or anything similar that makes it awkward to come back out. Bathtubs, barrels, or shallow pools.

Making sure you will be able to breathe

In the same manner, as above, there is a high chance that you will naturally gasp for air as your entire body becomes immersed in the cold water. This response can put your body and mind very close to panic mode. If this happens, it can affect your judgment and ability to react and think.

Another reason, at least when you don’t have experience with cold water immersions, is to take an ice bath where it will be straightforward to keep your head above water even if your standard capacity to float becomes reduced.

Watching out for hypothermia

Experience in cold water immersion will dictate whether you can take longer sessions, but as a rule of thumb, these should be brief when starting.

Make sure you stay within 10 to 15 minutes of cold immersion time unless you become highly experienced with ice baths and you consult with your doctor.

Always watch for signals telling you that your internal temperature has become too low and it’s time to recover your heat.

How do you do cold water immersion?

How long should your ice bath be?

The length of your ice bath depends primarily on your tolerance to the cold and your experience. Different persons will be able to tolerate different sizes and temperatures of the water.

Your body mass index, the state of your blood circulatory system, or where you live are just a few factors that can affect how long you can and how long you should stay in the ice bath.

The absolute maximum recommended time is 10 to 15 minutes. In any case, most of the benefits from ice baths occur in the first 5 minutes. That’s the time needed for our blood vessels to constrict, our muscle recovery to happen, and for the rest of the fantastic physical, immunological and mental benefits to taking place.

Always be aware of your core temperature, and don’t let the ice bath run any longer if you sense that it’s starting to come down.

What is the best way for beginners to start doing ice baths?

If you are starting, it’s good to go first for a cold plunge with water at around 10–15° Celsius (50–59° Fahrenheit). You can bring the water temperature down a few degrees from time to time and work your way until you feel ready to make your cold plunge a proper ice bath.

At this point, you must have one thing clear about ice baths and cold exposure: the discomfort while exposing yourself to the cold will probably never go away. Instead, you will know by heart the unpleasant sensations that your body goes through.

For example, you will become familiar with the shock when ice-cold water touches your body. In this way, eliminating the surprise factor will help significantly make things more manageable.

Aim for no more than a few seconds in the beginning, and progress your way towards being able to stand up to half a minute, one minute or two, exposed to the cold water.

What are the biggest mistakes when plunging into ice-cold water?

Wooden deck on a lake with ice that is starting to melt
  • Starting with water that is too cold for you. If you are new to cold plunges and begin with water that feels too cold, you risk overwhelming yourself. This situation can result in an experience that feels too unpleasant while experiencing no benefits.
  • Overextending the length of your cold plunge. Ice bath benefits take no more than five minutes to kick in. There’s not much of a point in staying 15, 30 minutes, or more and risking hypothermia.
  • Being too inconsistent. Cold baths will become much easier as you make them part of your daily routine. Also, some long-term ice bath benefits, such as strengthening your immune response or increasing your levels of healthy brown fat, only happen after a long period of regular cold therapy.
  • Losing control of breathing. Think of breathing as holding the steering wheel during your ice bath. The moment your breathing becomes very shallow and fast, and you realize that you can’t calm your pace, it’s an excellent idea to stop. You are probably having a bad day, your mind is too much in control, or your body is just not ready to do the fantastic things it does when exposed to the cold.
  • Submerging only a part of your body. It’s crucial to immerse most of the body, down to the back of your neck, in the cold water to trigger the appropriate physical response to the cold. A partial submersion will keep you from receiving most of the benefits of the cold.

Tips for a successful Cold Plunge or Ice Bath

Prepare progressively with cold showers. You can easily take a cold shower daily if you don’t have easy access to a tub, a small pool, or a barrel to take the ice bath. This way, you will get familiar with this fantastic routine’s discomfort.

Learn to be aware of your breathing. Managing your breathing should be one of your first points of focus as you start to do ice baths. Your level of discomfort will decrease tenfold as you put all of your mind into breathing in and out deeply and symmetrically. You will also be working on your mental clarity, capacity to focus, and lowering your anxiety levels.

Take the cold plunge within 30 minutes of exercise. In this way, you will experience a much better muscle recovery. Also, if you make it a habit to take an ice bath after your intense workouts, you will have extra motivation to work hard, knowing that a soothing cold plunge is awaiting you. At the same time, the ice bath will be much easier to take and will feel great!

Go with your feet first. Progressive immersion of your body, beginning with your feet, will allow you to remain in control and not become overwhelmed by the initial shock from the plunge into the ice-cold water. It will also reduce the chances of suffering a cardiac arrest which, though extremely low in healthy individuals, can still occur if a particular set of conditions occur.

Protect your hands. While keeping your core body temperature and even that of your limbs, it’s relatively simple. While taking an ice bath, your hands can become very cold in just a few seconds. This feeling can induce quite an unpleasant situation and make you lose mobility in your fingers. It’s very easy to avoid this just by protecting your hands behind your bent knees or under your armpits.

In conclusion, taking that first cold shower

So, are you ready to start your journey to enjoying an actual ice-cold bath? I invite you to take that first step, or better said, that first-hand movement that turns the warm, relaxing water from your shower into a seemingly hostile, shocking icy water.

How does it feel? What is your mood afterward?

Then I suggest you do it again the next day and commit to a whole week of experiencing this relatively short-lived but intense discomfort. What becomes more manageable and feels better? What stays the same?

Are you ready to jump on this journey?



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