Wellness guides
Long-form, research-backed pieces from the Codex editorial desk — each one reviewed by a certified practitioner. Built so you can act on them, not just read them.
How to find a verified somatic therapist
A practical guide to choosing a qualified somatic therapist: credentials to look for, modalities explained, red flags, and what a first session feels like.
Reviewed by Dr. Lena Hoffmann
Burnout recovery: science-backed protocols that actually work
A practical 12-week burnout recovery roadmap: nervous-system regulation, sleep architecture repair, training de-load, and how to choose a coach who understands the syndrome.
Reviewed by Dr. Marco Ferreira
Yoga vs pilates: how to choose, and why most people benefit from both
Yoga and pilates look similar from the outside but train different systems. Here's how to decide where to start — and how Codex lets you book both in the same wallet.
Reviewed by Maya Iyer
Coach, class, or app — which actually works for your goal?
The trade-offs between 1:1 coaching, group classes, and self-guided apps. Real cost-per-result math, decision matrix, and when to combine them.
Reviewed by James O'Reilly
How to choose a pilates studio (reformer vs mat, certifications to trust)
What to look for in a pilates studio: certification lineages that matter (Polestar, Stott, Romana's, BASI), class size limits, and the price points worth paying.
Reviewed by Sofia Almeida
Cold exposure: a beginner-safe ice-bath protocol
What the research actually says about cold-water immersion: dose, frequency, who shouldn't do it, and how to combine it with breathwork.
Reviewed by Dr. Marco Ferreira