Author: Dr Cal Shields MBChB LLM MPhil MRCS (ENT) | Longevity and Aesthetics Doctor

Cryotherapy and Depression: How Cryotherapy Can Improve Your Mood

 Standing in a chamber cooled to −160°C might sound like torture. Yet for people struggling with depression and anxiety, it could be exactly what they need. Whole-body cryotherapy is showing real promise as a way to lift mood and reduce symptoms when used alongside standard treatment.

Whole-body cryotherapy (WBC) involves exposing your body to extremely cold temperatures for short periods. You step into a special chamber where temperatures drop as low as −160°C. Sessions last just two to three minutes. The extreme cold triggers powerful changes in your body that can help improve your mood and mental wellbeing.

This is not just theory. Clinical trials have measured the results. One study found that 34.6% of people using cryotherapy alongside their medication saw their depression symptoms cut in half, compared to just 2.9% in the control group. For anxiety, the results were even more striking: 46.2% of the cryotherapy group saw major improvements, whilst not a single person in the control group achieved the same level of relief.

The Science Behind Cryotherapy

When you expose your body to extreme cold, several important biological processes begin. These changes affect your brain chemistry in ways that can lift your mood and reduce anxiety.

Your Body Releases Endorphins

Cold exposure activates your body’s defence systems. One response is a surge of endorphins. These are chemicals your brain produces naturally. They work like the neurotransmitter dopamine. Endorphins create feelings of happiness and wellbeing. They reduce both physical and emotional stress. They also help block pain signals. This is why many people report feeling euphoric after a cryotherapy session.

Norepinephrine Levels Increase

The extreme cold switches on your sympathetic nervous system. This is the part of your nervous system that prepares you for action. When activated, it releases more norepinephrine (also called noradrenaline). This chemical is crucial for mood regulation. It supports mental clarity and alertness. It also boosts energy levels. People with depression often lack energy. The increase in norepinephrine can help counter this.

Inflammation Drops

Scientists have found links between chronic inflammation and mood disorders. When your body stays inflamed for long periods, it affects how your brain works. Cryotherapy reduces inflammatory markers in your blood. It also increases anti-inflammatory substances. This creates an environment that supports better brain function and emotional stability.

Cortisol Becomes Better Regulated

Cortisol is your body’s main stress hormone. When you are under constant stress, cortisol levels can become dysregulated. The short, controlled stress of cold exposure acts as what scientists call a “hormetic stressor”. This means your body adapts to handle stress more effectively. Over time, this helps regulate cortisol production. Better cortisol regulation means better stress management.

Serotonin Rises

Serotonin is perhaps the most famous neurotransmitter linked to mood. Low serotonin levels are common in people with depression. Many antidepressant medications work by increasing serotonin availability. Cryotherapy has been shown to elevate serotonin levels naturally. This helps regulate mood, improve sleep, and reduce anxiety.

Brain Cell Support Improves

The extreme cold causes changes in how your central nervous system works. It affects the systems that use noradrenaline and serotonin. It also influences your hypothalamic-pituitary axis. This is the communication network between your brain and hormone-producing glands. Perhaps most importantly, cryotherapy helps normalise levels of brain-derived neurotrophic factor (BDNF). This protein promotes the survival and growth of nerve cells. Higher BDNF levels support better brain function and resilience.

Practical Applications of Cryotherapy

The clinical evidence comes from specific treatment protocols. Understanding these helps set realistic expectations.

The Standard Protocol

Research-backed protocols typically involve 10 to 15 daily sessions. Each session lasts two to three minutes. Chamber temperatures range from −110°C to −160°C. The key point is consistency. The benefits build over time with regular exposure.

Timeline for Results

One fascinating finding from the research is how quickly improvements can appear. In the clinical trial, people using cryotherapy showed significant decreases in symptoms during each week of treatment. The control group only showed improvements after the full three weeks. This suggests cryotherapy may help speed up the response to treatment.

Adjunctive Treatment, Not Standalone

It is crucial to understand that cryotherapy is not a replacement for standard treatment. All the successful studies used it alongside medication and therapy. It works best when integrated into a comprehensive treatment plan. If you are taking medication for depression or anxiety, you should continue doing so.

What a Session Involves

You enter the cryotherapy chamber wearing minimal clothing (usually underwear). You wear gloves, socks, and slippers to protect your extremities. The cold is intense but bearable. Most people describe it as uncomfortable rather than painful. The session is over quickly. Afterwards, many people report feeling energised and alert.

Safety Considerations

Whilst the research is promising, cryotherapy is not appropriate for everyone. It has not been approved by the FDA for treating mental health conditions. The studies so far have involved relatively small numbers of people. Long-term effects are still being studied. Anyone considering cryotherapy should discuss it with their doctor first, especially if they have cardiovascular conditions or cold sensitivity.

Why Choose Thriyv for Cryotherapy in Manchester

At Thriyv, we understand that mental wellbeing is not separate from physical health; they work together. Our clinic in Manchester offers whole-body cryotherapy as part of a holistic approach to health and performance.

Our cryotherapy chamber uses medical-grade equipment that maintains precise temperature control. Safety is our priority. Every session is supervised by trained professionals who monitor your experience. We take time to explain the process and answer your questions before you begin.

We stay current with the latest research. Our programmes are based on the clinical studies showing real results. We know that cryotherapy works best as part of a broader wellness strategy. That is why we offer complementary services that support mental and physical health together.

Our team includes professionals with backgrounds in medicine and sports science. We understand the biological mechanisms behind cryotherapy. More importantly, we know how to translate that science into safe, effective treatment.

Conclusion

Cryotherapy represents an exciting development in mood enhancement. The clinical evidence shows real, measurable improvements when used alongside standard treatment. The biological mechanisms make sense. Endorphin release, norepinephrine modulation, inflammation reduction, and serotonin elevation all contribute to better mood and reduced anxiety.

The results speak clearly. In controlled trials, nearly half of participants saw significant anxiety reduction. Over a third experienced major improvements in depression symptoms. These outcomes far exceeded those achieved with medication alone.

However, honesty is important. The research is still developing. Studies have been relatively small. Long-term effects need more investigation. Cryotherapy is not a magic cure; it works best as part of comprehensive treatment, not as a replacement for it.

For people in Manchester seeking evidence-based approaches to mood improvement, cryotherapy offers a compelling option. The sessions are quick. The process is straightforward. The potential benefits are substantial. When combined with proper medical care, cryotherapy may provide the additional support needed to achieve meaningful improvement in mental wellbeing.