January Cold Plunge Challenge Day 5: Very Icy Morning Freezing -15°C Ice Bath
Most conversations about immunity miss the real issue: stress.
Cold immersion doesn’t strengthen the immune system directly—it trains the body to handle stress better. Since chronic stress suppresses immune function, practices that improve regulation and recovery can make a meaningful difference over time.
This video explains why cold exposure works best as a nervous system tool, how it affects inflammation, and why consistency matters more than intensity.











