Whole-body cryotherapy exposes most or all of the body to extremely cold dry air for a few minutes. Short-term soreness benefits are uncertain and FDA has not cleared or approved WBC devices to treat medical conditions.
Whole-body cryotherapy (WBC) uses a refrigerated room or chamber, or a partial-body cryosauna, to expose skin to extremely cold dry air for roughly two to three minutes. Air cools less efficiently than water, so WBC is not an “ice bath at a colder number.”
Whole-body versus partial-body
Electric rooms may enclose the entire person and refrigerate air mechanically. Open-top cryosaunas commonly use nitrogen-cooled vapor around the body while the head remains outside. Technology changes oxygen-displacement, ventilation, contact, and emergency-exit risks.
Evidence
Small studies and reviews report possible short-term changes in soreness, perceived recovery, or inflammatory markers, but protocols and results vary. Objective performance benefit, chronic-pain efficacy, optimal dosing, and long-term safety remain uncertain. FDA has not cleared or approved WBC devices to treat medical conditions.
Unsupported claims
Evidence does not establish WBC as treatment for weight loss, Alzheimer disease, asthma, depression, diabetes, fibromyalgia, multiple sclerosis, arthritis, anti-aging, immune enhancement, or cancer. A brief calorie estimate is not evidence of meaningful fat loss.
Safety
Moisture, metal, excessive exposure, direct vapor, equipment failure, or inadequate monitoring can cause frostbite and cold burns. Nitrogen can displace oxygen. Other concerns include fainting, cold urticaria, bronchospasm, blood-pressure and rhythm stress, panniculitis, and eye injury.
Disclose cardiovascular, blood-pressure, fainting, respiratory, vascular, neurologic, cold-allergy, pregnancy, wound, and medication history. Arrive dry, avoid alcohol, remove jewelry and metal, and inspect protective clothing.
Rewarm gradually and inspect the skin. Tingling or temporary redness may occur. Persistent numbness, blistering, severe pain, hives, breathing trouble, confusion, fainting, or chest symptoms needs prompt assessment.
Frostbite, cold burn, hypothermia, cold panniculitis, hives or anaphylaxis, bronchospasm, oxygen displacement or asphyxiation, fainting, blood-pressure surge, arrhythmia, eye injury, equipment entrapment, and unproven treatment delaying effective care.
FDA MAUDE Report and WBC Regulatory Context.
https://www.accessdata.fda.gov/scripts/cdrh/cfdocs/cfmaude/detail.cfm?mdrfoi__id=7251080&pc=ILJCochrane Review: Whole-Body Cryotherapy for Muscle Soreness.
https://doi.org/10.1371/journal.pone.0118448Hydrotherapy and Cryotherapy Recovery Network Meta-Analysis.
https://link.springer.com/article/10.1186/s12891-024-07315-2© 2026 Longevity Clinic Finder. All rights reserved.
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Screened adults who understand the evidence limits and seek a brief recovery modality. People with unstable cardiovascular disease, uncontrolled hypertension, significant vascular disease, Raynaud phenomenon, cold urticaria, cryoglobulinemia, impaired sensation, pregnancy, intoxication, or inability to exit safely may be inappropriate.
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