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Science and Cold Plunges

Science and Cold Plunges

The Science of Cold Plunges

Let’s dive into the science of cold plunges. We have Wim Hof, Andrew Huberman, Susanna Soeberg, and Joe Rogan to name a few, for gathering anecdotal evidence and research. As we get into the specifics of it all we will cover the cascade of physiological responses of a cold plunge.

The primary goal of cold plunge therapy is to expose the body to the shock of cold water, triggering a response of physiological responses including fight or flight reactions. Cold plunge therapy is used by athletes and within the sports medicine world to enhance post-workout recovery and injury rehabilitation. This resurgence of cold plunge therapy in modern wellness circles is supported by a growing body of scientific research highlighting its positive effects on physical, mental, and emotional well-being. 

Benefits Of the Cold Plunge

Reduced inflammation: Cold water immersion has anti-inflammatory effects due to the vasoconstriction and vasodilation of your blood vessels. As blood vessels constrict and dilate, the flushing of toxins and edema can reduce inflammation in muscles and tissues. It’s common practice among athletes to speed up muscle recovery, alleviate soreness and accelerate healing.

Better sleep: Engaging in cold plunge therapy earlier in the day can help regulate the body's natural circadian rhythms. Cold exposure triggers the release of hormones like adrenaline and norepinephrine, which elevate alertness and mental focus. This can create a natural energy boost that’s better than coffee, aligning with the body's daytime wakefulness and evening sleep patterns

Enhanced immune function: Immersing the body in cold water can stimulate the production of certain immune cells, such as white blood cells. These cells play a vital role in combating infections and pathogens. Over time, regular cold plunging can boost your immune response and fight off sickness. 

Improved injury recovery: Vasoconstriction and vasodilation stimulate blood circulation, effectively flushing out metabolic waste products and promoting the delivery of oxygen and nutrients to muscles. As a result, cold plunge therapy is often incorporated into athletes' routines along with time in the sauna to speed up muscle recovery and reduce inflammation after intense training sessions.

Testosterone increase: Exposure to cold water triggers the release of hormones like adrenaline and norepinephrine.influencing the endocrine system to secrete more testosterone.  Some studies have indicated that cold exposure lead’s to  increases in testosterone levels as part of its adaptive mechanisms. Many articles have been written on testosterone levels increasing with regular cold plunges.

Promotes lymphatic drainage: The alternation between blood vessel constriction and dilation promotes the circulation of lymph, a fluid containing immune cells and waste products. This enhanced circulation helps remove toxins, reduce fluid retention, and support a robust immune system function

Metabolism boost: Cold exposure prompts the body to generate heat to counteract the drop in temperature. The way thecbody achieves this is by increasing its metabolic rate, which leads to greater calorie burning. While the increase in metabolism might be relatively modest, repeated exposure to cold water can contribute to a cumulative effect that can help in the long run.

Endorphins boost: Cold water immersion triggers the release of endorphins in the brain that promote feelings of well-being and relaxation. This endorphin release can reduce stress and improve mood, individuals can manage anxiety and depression while promoting wellbeing.

Dopamine spike: As the cold water activates the sympathetic nervous system dopamine is released from the shock of the cold., creating the sense of accomplishment and improved mood that many individuals report following cold plunge therapy sessions.

Diminished aches and pains: Applying cold water directly to an injury, such as using ice packs or localized cold baths, can numb nerve endings and temporarily alleviate pain sensations. This is especially helpful for those who struggle with arthritis or muscle and joint injuries

Hormone regulation: There is emerging evidence that cold plunge therapy impact hormone regulation  on a broader scale. Some studies suggest that regular cold exposure to cold water could modulate hormones like cortisol, a stress hormone, and various sex hormones such as testosterone and estrogen.

Improved insulin sensitivity: Some studies propose that cold exposure could potentially enhance insulin sensitivity. Cold exposure may activate certain mechanisms that improve the cells' ability to efficiently utilize glucose, potentially leading to better blood sugar control.

Reduced swelling: The cooling effect of cold water helps narrow the blood vessels and limit the influx of fluids like lactic acid into the tissue.This reduces swelling and alleviates soreness and inflammation. 

Reduced stress: Cold exposure triggers the release of endorphins, the body's natural "feel-good" chemicals, which promotes euphoria and relaxation. This can really help those struggling with stress, anxiety, or depression.


Bringing it Home


Our passion is health, recovery, performance, and wellbeing. Our products give you access to all the benefits of cold therapy in the comfort of your home. No getting stuck in traffic, no lost time and money on driving, fees-memberships,  or getting the therapy you need on someone else's schedule. Whether you are an athlete or some one who takes their well being seriously we have passion and products to deliver what you want.