• Avoid if heart conditions
• Exit if breathing unstable
• Start warmer, progress colder
#Neuroscience #StressResilience #BiologicalOptimization #ColdExposure #PerformanceScience
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• Avoid if heart conditions
• Exit if breathing unstable
• Start warmer, progress colder
#Neuroscience #StressResilience #BiologicalOptimization #ColdExposure #PerformanceScience