Ice Bath

Ice, Ice Baby

Ice, Ice Baby - The fascinating ice bath

"After an ice bath, I always feel so fresh & energized. No need for a coffee after that!" - anonymous.

Ice bathing, also known as cold plunging, has become a true trend in recent years. More and more people worldwide are diving in ice-cold water. What’s behind this trend, and why does ice bathing fascinate so many people? Let’s explore how healthy ice bathing really is, how it works, and what you need to consider. 

Is ice bathing healthy? 

Ice swimming has a long tradition in the health and wellness world. Nowadays, it is supported by numerous scientific studies showing the numerous positive effects of cold water exposure. When done regularly, it can benefit our bodies and overall well-being. 

The benefits of ice bathing and cold showers for body and mind 

  • Boosted immune systemprotects against infections 

  • Improved cardiovascular systempromotes blood circulation and heart health 

  • Enhanced blood flowstrengthens blood vessels 

  • Reduced inflammationhelps reduce inflammatory processes in the body 

  • Better metabolismsupports weight management 

  • Improved thermoregulation increases cold tolerance 

  • Improved breathingstrengthens lung capacity 

  • Better sleep quality encourages restful and good-quality sleep 

  • Improved recoveryreduces muscle soreness after exercise 

In addition to physical health, an ice bath also positively impacts mental and emotional well-being. 

The body reacts to the cold by releasing serotonin, producing endorphins, and activating anti-inflammatory messengers. This leads to an improved mood, higher stress resistance, and increased energy levels. Consciously confronting the cold helps us overcome fears and step out of our comfort zone. This fosters the ability to handle stressful situations better and boosts self-confidence. 

Taking the plunge into ice-cold water is undoubtedly worthwhile. 

How does ice bathing work? 

Ice bathing involves stepping out of your comfort zone and exposing yourself to an extreme temperature stimulus. The water temperature is typically just above freezing, around 2–5°C. This cold is a genuine challenge for the body, inducing a state of shock that simultaneously triggers numerous positive effects on body and mind. 

How long you stay in cold water depends on your experience, daily condition, and the water temperature. For beginners, even half a minute in water at 2–5°C is ideal to reap the benefits of ice bathing. The more advanced you are, the longer you can usually stay.

Breathing is key 

Breathing plays a crucial role in ice bathing. While in the water, it’s essential to breathe calmly and deeply. The initial seconds often bring gasping breaths due to the physical stress. However, steady and deep breathing activates the parasympathetic nervous system, calming the body. This signals to your body that the situation is under control, allowing you to relax and enjoy the ice bath. 

Prepping for the plunge 

Ice bathing can be an exhilarating and invigorating experience. Proper preparation is crucial to ensure you enjoy the benefits of cold water without unnecessarily risking your health. Here are some key points to keep in mind before diving into ice-cold water: 

  • Health First: Ensure you are healthy. If you have any health concerns or suffer from cardiovascular conditions, consult a doctor beforehand. Ice bathing is a significant strain on the body, and it’s essential to ensure your system can handle it. 

  • Gradual Acclimation: If you’re new to ice bathing, gradually expose yourself to cold water. Start with shorter sessions and increase the duration over time as your body adjusts to the cold. 

  • Warm Up Your Muscles: Before stepping into cold water, warm up your muscles. Gentle movements, stretching exercises, or a sauna session can help stimulate blood circulation and prepare your muscles for the cold. 

  • Exhale Deeply Before Entering: Empty your lungs completely to allow for deeper breaths when entering the water. This helps control your breathing in the cold. 

  • Enter with Focus and Intention: A quick, determined entry helps manage the shock of the cold and activates your mental resilience. 

Important Notes

  • Avoid hyperventilation techniques before or during the bath. 

  • Do not dive headfirst into the ice bath. 

  • Avoid staying in the ice bath too long—overexposure can be dangerous. 

  • Avoid a hot shower or bath immediately after the ice bath, as rapid heating of the limbs may not align with core temperature regulation. 

  • Consult a doctor before your first ice bath if you have any heart or lung conditions. 

What happens in the body during ice bathing? 

Ice bathing triggers a series of physiological responses aimed at temperature regulation. When you immerse yourself in cold water, your body instantly sends signals to the brain to cope with the cold.  

Skin temperature receptors alert the brain to the stimulus, leading to the release of hormones like adrenaline, noradrenaline, and cortisol. These hormones activate the sympathetic nervous system, putting the body on high alert to conserve core warmth by constricting blood vessels in the extremities. Cold also activates brown adipose tissue (BAT), which burns stored fat to stabilize body temperature. Shivering may also occur, generating additional heat and boosting metabolism. 

The more often and longer you practice ice bathing, the better your body adapts to the cold shock. Over time, the body’s responses become milder, and you can better manage the cold shock. 

Ice bathing in groups: motivating and connecting 

Ice bathing is challenging but incredibly rewarding. The first step into ice-cold water can be daunting, but it’s much easier in a group. You’ll gain motivation and support to take the plunge. Moreover, shared experiences in the ice bath foster a special sense of connection. 

"At WeBorn it is made easy to get into the cold water. With the help of the guide & the group, you are perfectly prepared to get into the ice bath." - anynomous.

Take a plunge into ice-cold water and become part of the WeBorn Community! 

 

Q&A 

  • Why are ice baths good for muscle recovery? 

  • Are ice baths dangerous? 

  • How cold should an ice bath be? 

  • How long should you stay in an ice bath? 

  • Do Ice baths burn fat? 

  • How many ice baths a week? 

  • Ice bath while pregnant? 

  • What to do straight out of the Ice bath? 

Why are ice baths good for muscle recovery? 

By exposing the body to cold temperatures, ice baths help reduce inflammation through blood vessel constriction, flush out metabolic byproducts like lactic acid, and alleviate muscle soreness, including Delayed Onset Muscle Soreness (DOMS). Additionally, they minimize swelling and accelerate recovery after strenuous workouts or injuries and the cold can numb nerve endings, which provides temporary pain relief. 

Are ice baths dangerous? 

Although ice baths are generally safe when done appropriately, they are not without risks. Extended exposure to very cold water can result in hypothermia, frostbite, or stress on the cardiovascular system. People with heart conditions, Raynaud's disease, or certain circulatory issues should avoid ice baths, as the sudden temperature change can strain the heart or restrict blood flow. To stay safe, it’s important to keep sessions brief and pay attention to any signs of discomfort or heightened sensitivity to the cold. 

How cold should an ice bath be? 

The optimal temperature for an ice bath is between 0 - 15°C. An ice bath at 2 - 5°C is incredibly effective for advanced recovery and should be approached cautiously, with limited exposure time (max. 3 minutes) and proper post-bath warming strategies. Staying safe is key - monitor your time in the bath, avoid overexposure, and know when to stop. 

How long should you stay in an ice bath? 

If the ice bath is between 2 - 5°C, you can stay in for 2 to 3 minutes. This extreme cold can deliver benefits such as reducing inflammation and muscle soreness, but the risks of hypothermia, frostbite, or cardiovascular strain increase significantly with prolonged exposure. In an ice bath with a temperature of 10° - 15°C, you can stay in for 10 to 15 minutes. 

Do Ice baths burn fat? 

Ice baths contribute to fat burning indirectly by stimulating brown fat activation, which generates heat by burning calories. This process, known as non-shivering thermogenesis, can lead to a slight boost in metabolism. However, the fat-burning effect is minimal compared to a balanced diet and regular exercise. Therefore, ice baths shouldn't be seen as a main strategy for weight loss. 

How many ice baths a week? 

The frequency of ice baths depends on your goals and fitness level. In general 11.5 minutes a week are recommended if you want to improve your overall well-being. Beginners should start with once a week to allow their body to adapt to the cold. 

Ice bath while pregnant? 

Pregnant women should avoid ice baths and extreme cold exposure. Cold temperatures can cause your blood vessels to constrict, which may reduce blood flow to the baby and potentially affect your body's ability to regulate temperature effectively. Additionally, sudden temperature changes could increase the risk of fainting or dizziness, which might be more concerning while pregnant. If you're interested in cold exposure consult with your doctors first. They can give you personalized advice based on your health and stage of pregnancy. 

What to do straight out of the Ice bath? 

When you come out of an ice bath, it’s important to warm up your body gradually to avoid shocking your system. Avoid taking a hot shower immediately, as the sudden temperature shift can strain your blood vessels, or jumping around. Instead, engage in light movement or stretching to help promote circulation, sip on a hot drink to bring your body temperature back to normal naturally and put on warm, dry clothing. You can also go into a Sauna to warm up your body again. 


 

 

Sources:

Becher, T. et al. (2021). Brown adipose tissue is associated with cardiometabolic health. Nat. Med., 27, 58–65.

Blondin, D.P. et al. (2020). Human Brown Adipocyte Thermogenesis Is Driven by b2-AR Stimulation. Cell Metab., 32, 287–300.e7.

Brenner, I. K. M., Castellani, J. W., Gabaree, C., Young, A. J., Zamecnik, J., Shephard, R. J., & Shek, P. N. (1999, August 01). Immune changes in humans during cold exposure: effects of prior heating and exercise. Journal of Applied Physiology, 87(2), 699. DOI: 10.1152/jappl.1999.87.2.699. 

Cleveland (n.d.). Adipose Tissue (Body Fat). Retrieved from https://my.clevelandclinic.org/health/body/24052-adipose-tissue-body-fat on 07.02.2024

Hanssen, M.J.W. et al. (2016). Short-term cold acclimation recruits brown adipose tissue in obese humans. Diabetes, 65, 1179–1189.

Heinonen, I., Laukkanen, J.A. (2018). Effects of heat and cold on health, with special reference to Finnish sauna bathing. Am J Physiol Regul Integr Comp Physiol, 314, R629–R638.

Huberman, A. (01.05.2022). The Science & Use of Cold Exposure for Health & Performance. Andrew Huberman Lab. https://www.hubermanlab.com/newsletter/the-science-and-use-of-cold-exposure-for-health-and-performance. Retrieved on December 1, 2023.

Huberman Lab Podcast (15.05.2023). Dr. Susanna Soberg: How to Use Cold & Heat Exposure to Improve Your Health. https://open.spotify.com/episode/3YPKYYsqrWZUdZTzF6dZ3F?si=gUUTWShXRzG0iVqcjcKgzg Retrieved on November, 15 2023.

Huberman, A. (01.06.2022). Deliberate Heat Exposure Protocols for Health & Performance. Andrew Huberman Lab. https://open.spotify.com/episode/18yKZd4WC1uIKTL6IUijsh?si=MKeHHCA6RBG3tBM--0dBJA. Retrieved on October 25, 2023.

Huo, C. et al. (2022). Effect of Acute Cold Exposure on Energy Metabolism and Activity of Brown Adipose Tissue in Humans: A Systematic Review and Meta-Analysis. Frton Physiol., published online

Hsu, Y. J., Ho, H. J., Kuo, Y. M., Chen, W. J., & Ho, S. Y. (2016). Acute Effects of Cold Exposure on Cardiovascular Function in Subjects with and without Coronary Artery Disease. Journal of Applied Physiology, 121(3), 833–839.

Korhonen, I. (2006). Blood pressure and heart rate responses in men exposed to arm and leg cold pressor tests and whole-body cold exposure. International Journal of Circumpolar Health, 65(2), 178-184. DOI: 10.3402/ijch.v65i2.18090

Mawhinney, C., Jones, H., Joo, C.H., et al. (2013) Influence of cold-water immersion on limb and cutaneous blood flow after exercise. *Medicine & Science in Sports & Exercise*, 45(12), 2277–2285.

Podstawski, R., Borysławski, K., Clark, C. C. T., Laukkanen, J. A., & Gronek, P. (2020). The Effect of 16-Minute Thermal Stress and 2-Minute Cold Water Immersion on the Physiological Parameters of Young Sedentary Men. Montenegrin Journal of Sports Science and Medicine. DOI: 10.26773/mjssm.200308.

Romu, T. et al (2016). A randomized trial of cold-exposure on energy expenditure and supraclavicular brown adipose tissue volume in humans. Metabolism, 65, 926.934.

Saito, M. et al. (2009). High incidence of metabolically active brown adipose tissue in healthy adult humans: effects of cold exposure and adiposity. Diabetes, 58, 1526–1531.

Salimpoor, V. N., Benovoy, M., Larcher, K., Dagher, A., & Zatorre, R. J. (2011). Anatomically distinct dopamine release during anticipation and experience of peak emotion to music. Nature Neuroscience, 14(2), 257-262. 

Yoneshiro, T. et al. (2011). Age-related decrease in cold-activated brown adipose tissue and accumulation of body fat in healthy humans. Obesity (Silver Spring) 19, 1755–1760.

https://www.kneipp.com/at_de/kneipp-coach/erfrischung/eisbaden/

https://www.austria.info/de-at/aktivitaeten/eisbaden/

https://eisbaden.de/

https://www.donauregion.at/magazin/eisbaden.html


Back to blog

Leave a comment