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Cold Exposure Protocol

1-minute read 30 XP in app 6 cards

Start slow, build tolerance

You don't need an ice bath on day one. Progressive cold exposure builds resilience and trains your body to recruit brown fat and manage stress response.

11 min total per week is the target

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Your 4-week cold protocol

See how to progressively build cold tolerance.

This step is hands-on. Open the Thier app to try the full interaction.

Fill in the blank

Complete the cold protocol guideline.

Research suggests ___ total minutes of cold exposure per week is optimal for health benefits.

The answer is 11.

Fact

Breath > water temperature

The single biggest variable in tolerating a cold plunge isn't the water temperature — it's whether you can keep breathing slowly. The cold-shock response forces a 2-3× increase in respiratory rate; controlling that with deliberate slow nasal breaths is what separates 'I lasted 30 seconds' from 'I lasted 3 minutes'. Start each plunge with 3-4 long slow exhales BEFORE you enter.

3-4 exhales before entering the cold

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Cold safety — when NOT to plunge

Tap each scenario.

Tap each tile to reveal the detail.

Takeaway

Key Takeaway

Aim for 11 minutes of cold exposure per week across 2-3 sessions. Start with cold showers, progress to immersion. The benefits are dose-dependent.

11 min/wk optimal protocol

Track your progress

Read the cards above, then mark this lesson complete to track your progress.

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