Build Resilience, Reduce Inflammation

Both use cold as a therapeutic stimulus, but the mechanisms and experience differ meaningfully. Cryotherapy uses dry cold air at –85°C for 2–3 minutes — intense but brief, with no water contact. Ice baths use cold water at 0–10°C for 2–6 minutes — a more sustained thermal challenge with full body immersion. The key differences: water is approximately 25 times more thermally conductive than air, so the cold challenge is qualitatively different; ice baths trigger the mammalian dive reflex (a vagal response that dry cold does not activate); and the sustained nature of water immersion produces greater brown adipose tissue recruitment and metabolic activation. Cryotherapy is primarily a recovery and anti-inflammatory tool. Ice baths additionally build autonomic resilience and mental discipline. Both have clinical evidence and serve complementary roles.

Water is maintained at 0–10°C. The initial immersion is intense — your body will produce an involuntary gasp response and an urge to exit. This subsides within 30–60 seconds as your breathing stabilises and your thermoregulatory system adjusts. Your practitioner guides you through this phase with breathing cues. Most patients describe a shift to composed stillness after the first minute. Temperature and duration are adjusted to your experience level — first-timers begin at shorter durations and progress as tolerance builds. You can exit at any time.

For resilience building and general health, 2–3 sessions per week is optimal. For athletic recovery, sessions are scheduled around training events. For metabolic benefits (brown fat activation), consistent practice of 3+ sessions per week produces cumulative adaptations. Tolerance and comfort improve rapidly with regular practice — most patients find the experience significantly easier after 4–6 sessions. Your practitioner designs a frequency protocol based on your objectives.

Structured breathing before and during cold immersion serves two critical functions. First, it activates the parasympathetic nervous system, lowering baseline heart rate and preparing the body’s thermoregulatory response. Second, it provides a focus point during immersion that helps manage the acute stress response. Slow, controlled exhalation is the most effective tool for overriding the gasp reflex and establishing composed calm in the cold. The breathing protocol we teach transfers to any high-stress situation.

Absolute contraindications include Raynaud’s disease, uncontrolled hypertension, recent cardiac events, cold urticaria, pregnancy, and open wounds. Relative contraindications — such as mild cardiovascular conditions or respiratory conditions — are assessed at consultation. All first sessions at Aspire include clinical screening and blood pressure check. If in doubt, we recommend discussion with your GP before commencing a cold exposure programme.

Most of our patients start as complete beginners. Your first session includes guided breathwork, a calm and unhurried introduction to immersion, and continuous practitioner support throughout. Duration begins at the shorter end (1–2 minutes) and progresses as your confidence and tolerance build. There is no expectation of stoic endurance — the objective is controlled, composed exposure that builds over time. Most patients are pleasantly surprised by how manageable the experience is with proper guidance.