Resources for Growth
What if you had the tools to feel better, think clearer, and perform stronger, right at your fingertips?
Quick Access Tools
Start with these existing assessments and guides.
Videos
Short, actionable practices and insights

15-Minute Guided Coherence Breathing
Guided breath practice. A short, grounding reset for clarity and nervous-system balance, whenever you need it.

Interview with Karen Jacobson: Nourishment, Timing, and Healthspan
Karen is a functional medicine practitioner and Head of Nourishment for the Reverse Aging Challenge. In this interview, she shares how she moved beyond “calories in, calories out” toward a deeper, science-informed view of nourishment, timing, and gut health..

YouTube Video
Oscar Trelles, founder of Breathing Flame and creator of the Reverse Aging Challenge, describes how the program was brought to life.
Human capacity at work
Explore how attention, judgment, learning and recovery interact with the conditions of modern work. These resources distinguish organizational questions worth investigating from claims that require a separate evaluation.
Why AI Capability Requires Human Capacity
Oscar Trelles on what changes when AI makes work faster and why people still need opportunities to learn, question and exercise judgment.
Human capacity and output are not the same thing
Producing more work in less time does not by itself show that a team can sustain judgment, learning and recovery. The relevant question is what happens to the time and responsibility around the task.
A workshop can open a question. Work design determines what happens next.
An experience or working session may provide a useful starting point, but it cannot substitute for decisions about workload, authority and the routines in which people work.
The Human OS Manual
The book offers a wider systems framework for understanding the conditions that shape health, attention, behavior and sustainable performance.
Learning Hub
Explore the evidence, practices and Human OS thinking behind the work
Explore Articles
Browse our collection of insights and guides

Attention ecology: focus as an environmental outcome
Why sustained attention is less about discipline than about the conditions you inhabit, and how leaders can design environments that hold clarity instead of fragmenting it.

Breathwork on the Costa del Sol: choosing a container that matches your nervous system
A grounded guide to what breathwork immersions are, how they differ by method and setting, and how to choose depth on the Costa del Sol without reducing the coast to a ranking of brands.

Healthspan, Not Lifespan: Why Britain’s Longevity Gap Is Really a Quality-of-Life Gap
This article explains why the real gap in modern aging is a quality-of-life gap, not just a longevity gap, and how practices like breathwork, movement, fasting, and stress regulation can reclaim years of vitality.

Building Resilience Through Cold Therapy: A Complete Guide
Learn how cold exposure can build mental and physical resilience, boost your immune system, and enhance your overall wellbeing through controlled stress adaptation.

How I Learned Coaching Shouldn't Last Forever
Transformation doesn’t require endless time. It requires structure, urgency, and the courage to finish what you start.

Coming Home to Yourself: A Conversation with Marjolein Theunissen of Costa del Soul
Explore why Costa del Soul is the perfect retreat environment. Marjolein shares how nature, authenticity, and nervous system safety create powerful conditions for transformation.

Beyond Longevity: Healthspan as the New Metric
Longevity adds years to life, but healthspan adds life to years. The real goal isn’t living longer: it is living better, one clear, energized day at a time.
Human capacity and output are not the same thing
A team can produce a report in half the time and still finish the week more depleted than before. The time saved by a tool does not automatically become time for understanding, better decisions or recovery. It can disappear into a larger queue of work.

Learning to Listen to the Body: A Conversation with Karen Jacobson
Functional medicine expert Karen Jacobson explains why calorie restriction fails and how nourishment, gut health, and meal timing reduce inflammation and restore metabolic balance.

What Does It Really Mean To Be Wealthy?
Real wealth isn’t about money. It is about the freedom, presence, and fulfillment that come from aligning what you do with what you love.

Mindfulness for Busy Professionals: 5-Minute Practices That Actually Work
Discover practical mindfulness techniques designed for busy professionals who need effective stress management and mental clarity without adding more to their already packed schedules.

Movement Without Excuses: A Conversation with Brian Fland
Brian Fland is the Head of Fitness for the Reverse Aging Challenge, and his work centers on one idea: movement should not depend on a gym.
Practical Tools and Downloads
Ready-to-use worksheets, scripts, and guides
Personal Resilience Guide
Evidence-based resilience practices you can apply today (PDF, 11 pages)
Top 10 Reverse Aging Practices
Ten high-leverage practices to improve your healthspan (PDF, 13 pages)
The Case for Workplace Wellbeing
Comprehensive business case for wellbeing at work (PDF, 16 pages)
Community & Events
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Free Weekly Workshops
Join live breathwork and mindfulness sessions • Every Wednesday, 8:15 AM CET (Starting November 5)
Event Calendar
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Explore individual work, organizational interventions, or upcoming experiences.
