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What does the evidence actually say?

Every line on this page comes from a study someone here has read. None of it knows anything about you.

What we hold on cold, water, immersion and recovery

Read as:coldwaterimmersionrecovery

2 vetted claims match all four terms. Strongest evidence first.

  1. Recoverywell supported · human data

    Pooling 22 randomised trials, a single cold-water immersion after exercise did nothing for maximal isometric strength recovery and transiently blunted jump performance immediately afterwards, while its apparent benefit for muscle-damage markers vanished once publication bias was accounted for. The one reasonably consistent effect was lower reported soreness.

    What it shows: Systematic review and meta-analysis of 22 RCTs in healthy people comparing one cold-water immersion bout with passive rest; certainty was moderate at best for strength and very low for soreness, with substantial heterogeneity and publication bias affecting the creatine kinase result.Meta-analysis · PeerJ

    Full breakdown →Cold Water Immersion →Recovery Readiness Index →
    Source: Temporal dynamics of muscle strength recovery following acute cold-water immersion: a systematic review and meta-analysis. PeerJ 2026
  2. Recoverynot supported · human data

    A Cochrane review of four small laboratory trials (64 physically active, predominantly young male adults) found insufficient, very low quality evidence that whole-body cryotherapy reduces self-reported muscle soreness or improves subjective recovery compared with rest. Confidence intervals at 24, 48 and 72 hours included no difference, and no trial actively monitored adverse events.

    What it shows: Cochrane review of only four laboratory trials covering 64 physically active young adults, all but four of them male, mean age 23; every trial had design features carrying a high risk of bias and all outcomes were graded very low quality, with no data at all in women or elite athletes.Meta-analysis · Cochrane Database Syst Rev

    Full breakdown →Cold Water Immersion →Recovery Readiness Index →
    Source: Whole-body cryotherapy (extreme cold air exposure) for preventing and treating muscle soreness after exercise in adults. Cochrane Database Syst Rev 2015

Related, not an answer to your question

  1. Sleepwell supported · human data

    A meta-analysis of ten randomised trials in healthy adults found warm-water immersion thermotherapy increased total sleep time (SMD 0.63) and sleep efficiency (SMD 0.64), but did not significantly change sleep latency or any Pittsburgh Sleep Quality Index score.

    What it shows: Meta-analysis of ten RCTs in healthy adults; both significant effects were borderline, water temperature, timing and immersion protocols differed between trials, and subjective sleep quality did not improve on any PSQI component.Meta-analysis · Int J Biometeorol

    Full breakdown →Sauna Therapy →Sleep Calculator →
    Source: The effect of water immersion thermotherapy on sleep quality: a systematic review and meta-analysis of randomized controlled trials. Int J Biometeorol 2026
  2. Recoverypreliminary · human data

    Applying cold packs to worked muscles made no meaningful difference to soreness or strength recovery after damaging exercise: whether cooling started immediately or 24 hours later. Both cooled groups tracked the same recovery curve as controls who received no cold at all.

    What it shows: One RCT, n=48 healthy young adults (39 women, 9 men, mean age 22), local gel packs on one muscle only; findings may not extend to whole-body cold immersion, colder protocols or trained athletes.Study · Int J Environ Res Public Health

    Full breakdown →Cold Water Immersion →Recovery Readiness Index →
    Source: Effects of Immediate and Delayed Repeated Cold Exposure After Physical Exertion: A Randomized Controlled Trial. Int J Environ Res Public Health 2026
  4. Recoverypreliminary · human data

    In 60 recreational CrossFit athletes aged 40 and over, both ischaemic preconditioning and cold compression lowered creatine kinase at 72 hours versus passive rest, but their effects diverged: ischaemic preconditioning showed the clearest skin-level perfusion signal while cold compression improved perceived recovery and short-term reactive strength.

    What it shows: Single 2-week randomised repeated-measures trial, 60 athletes aged 40+ allocated 1:1:1; only tissue perfusion was a confirmatory endpoint and the authors state the results are not evidence of endothelial function or deep muscle perfusion.Study · Sci Rep

    Full breakdown →Cold Water Immersion →Recovery Readiness Index →
    Source: Differential effects of ischemic preconditioning and cold compression on recovery in recreational crossfit athletes aged ≥ 40 years: a 2-week randomized controlled trial. Sci Rep 2026
  7. Supplementswell supported · human data

    Outside of exercise settings, tart cherry lowered the inflammation marker C-reactive protein by an average of 0.55 mg/L across ten randomised trials, but had no significant effect on IL-6 or TNF-α.

    What it shows: Meta-analysis of 10 non-exercise RCTs; the CRP reduction was modest, IL-6 showed no significant change, and TNF-α was assessed in only three studies, also with no significant effect.Meta-analysis · Complement Ther Med

    Full breakdown →Tart cherry guide →
    Source: The beneficial effect of tart cherry on plasma levels of inflammatory mediators (not recovery after exercise): A systematic review and meta-analysis on randomized clinical trials. Complement Ther Med 2022
  8. Bones & Jointswell supported · human data

    A systematic review of 85 studies on chronic non-specific low back pain found that only movement therapy showed evidence of long-term effectiveness. Bed rest, TENS, massage, spine supports, back schools and antidepressants showed no evident effectiveness, while injections, NSAIDs, heat and opioids helped only in the short term.

    What it shows: Review of German and English literature from 2004 to 2015; therapies were assessed as broad categories, 'long term' meant beyond 6 weeks, and the evidence base is now around a decade old.Meta-analysis · Orthopade

    Full breakdown →Back Pain →
    Source: [Conservative treatment of nonspecific, chronic low back pain : Evidence of the efficacy - a systematic literature review]. Orthopade 2016

Not what you meant? Try different words: this box matches terms, not meaning, so creatine hair finds different things from creatine hair loss.