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Deliberate heat exposure using a sauna, typically around 80–100°C (176–212°F). Sessions are usually 5–20 minutes, with 10–20 minutes commonly emphasized, and frequency adjusted to tolerance and goals. The main rationale is to trigger a strong heat-stress response that supports cardiovascular conditioning, sweating, and overall resilience.

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Yeah, but I go into the sauna at 220 degrees Fahrenheit, you know, which I do. I'm very heat tolerant, not as cold tolerant.

Andrew Huberman · The Mental Frame & Specific Daily Actions to Succeed | Andy Stumpf · Jun 15, 2026 · 33:15 · YouTube ↗
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