Brain Health & Wellness
Hemsworth's APOE4-driven wellness overhaul: ice baths, sauna, meditation, breathwork, and nature immersion for Alzheimer's risk reduction.
Shared protocol · For reference, not advice
Interventions
Other steps
- Cold Exposure
Full immersion · Daily · 3x/week, mornings
Cold exposure for brain health — shown to decrease Alzheimer's risk
Details & sources
- Sauna
20 min at ~175°F (80°C) · Daily · Regular
Heat stress combined with meditation/breathwork
Details & sources
- Meditation
Mindful meditation · Daily · 3x/week+
Stress reduction — often during sauna and ice baths
Details & sources
- Breathwork
Varies · Daily · Regular, under pressure
Stress management — box breathing when tense
Details & sources
- Nature walks (phone-free)
20 min without phone · Daily · Regular
Lowers cortisol, reduces cognitive load
Details & sources
Sleep
- Screen-Free Before Bed
1 hour before bed · Daily · Nightly
Sleep quality and brain health
Details & sources
Sources
Original accounts behind this protocol. Numbers match the references in each intervention.
- 01Limitless Ep 2 "Shock" ↗Cold Exposure · Cold Exposure · Breathwork · Nature walks (phone-free)
- 02Men's Health via AS.com (Oct 2023) ↗Sauna · Meditation · Screen-Free Before Bed
Edit history
- v1Current versionFebruary 18, 2026