Cold Water Immersion / Cold Exposure
Cold water immersion & cold exposure can reduce muscle soreness, enhance mood, activate metabolism, & reduce inflammation, benefiting athletes & individuals seeking recovery & mood enhancement.
Evidence last reviewed: 05 Apr 2026
The evidence suggests moderate benefits for cardiovascular health and heart rate variability, with low support for cognitive performance. However, the risk of pulmonary edema in susceptible individuals is a notable concern.
cognitive performancehealthy adults · Systematic reviewLow
Cold exposure enhances parasympathetic nervous activity, potentially benefiting cognitive performance.
cardiovascular & cardiac autonomic controlhealthy individuals · Meta-analysisModerate
Cold exposure was associated with changes in cardiovascular & cardiac autonomic activity.
heart rate variabilityhealthy individuals · Systematic reviewModerate
Significant increases in HRV indices & decreased heart rate were observed following cold exposure.
pulmonary edema riskindividuals with Raynaud's Phenomena · Systematic reviewLow
Cold exposure can increase the risk of immersion pulmonary edema, especially in susceptible individuals.
Forms & usage▾
Engage in cold water immersion for 10-15 minutes after exercise or as needed.