Health System
Your body is the platform everything else runs on. If it breaks, nothing else matters (Attia, 2023).
Most health problems are caused by modern lifestyle, not bad genes. Sleep, movement, and real food solve 80% of issues. The protocols below are ordered by impact.
Where to Start
If you only read three things from this section:
- Optimize Sleep is the single highest-ROI intervention on this entire site. It’s the force multiplier for everything: cognition, willpower, mood, metabolism. Start here.
- Do Strength Training is the closest thing to a longevity drug. Muscle mass is the strongest predictor of all-cause mortality in adults over 40.
- Circadian Rhythm explains why when you do things matters as much as what you do. It’s the mental model that connects sleep, exercise timing, and energy management.
Already have the basics down? Add Zone 2 Training for cardiovascular longevity, or read what the evidence actually says about LDL.
Concepts
The mental models behind the protocols:
- Circadian Rhythm: Your 24-hour biological clock governs everything from sleep pressure to cortisol timing
- Sleep Architecture: Sleep isn’t passive rest. It’s an active restoration process with distinct phases
- Cardio vs Strength: You need both. They serve different functions and the research is clear on this
- Calories vs Hormones: The weight loss debate, settled. Calories matter, but context shapes how your body processes them
- LDL Cholesterol: What the evidence actually says, without the diet-tribe spin
- Nutritional Density: The only diet framework that works long-term. Eat real food, mostly plants, not too much
Protocols
Ordered by impact and dependency. Don’t skip steps:
- Optimize Sleep: 8 hr/night. Start here. Everything downstream improves when sleep is solid
- Do Strength Training: 3x/week. The organ of longevity. Non-negotiable after age 30
- Do Aerobic Exercise: 150 min/week. Heart and brain protection. Walking counts
- Do Zone 2 Training: 3x/week. Mitochondrial density and fat oxidation. The “easy effort” that builds your engine
- Eat Well: Daily. Whole foods, adequate protein, controlled portions. Simple framework, no ideology
- Practice Mindfulness: 10-20 min/day. Stress regulation and attention training. Also the bridge to Purpose
- Check Mental Health: Quarterly check-in. Preventive, not reactive
- Schedule Preventive Screening: Annual after age 30. Catch problems before they become expensive
What to Avoid
Health Anti-Patterns: The common mistakes that sabotage progress, from overtraining and supplement chasing to ignoring sleep debt
How Health Connects to Other Domains
Health is the foundation layer. Without it, other domains suffer:
- Systems → Health: How habits make health behaviors automatic so you stop relying on willpower
- Health → Purpose: Movement improves mood and cognition. Exercise is an antidepressant
- Health → Wealth: Rest impacts earning capacity. Chronic sleep debt costs more than any raise
- Health → Social: Isolation destroys physical health. Relationships are protective
- Social → Health: The pathways from relationships to inflammation, immunity, sleep, and longevity
Common Questions
Direct answers drawn from the library:
- Where do I start with health in 10 minutes a day?
- What are the 3 highest-ROI moves for health?
- Why does willpower fail for health goals?
- Does sleep actually affect your income?