Practice
Concentration and meditation methods, old and new, with what the research says about what they can and cannot do.
- Practice
Breathwork: What the Research Shows and Where It Stops
Pranayama, slow breathing, box breathing, Wim Hof and holotropic breathwork: what controlled studies show, where evidence runs out, and the safety risks.
- Practice
Meditation and Attention: What the Evidence Supports
What research actually shows about meditation and attention: the solid findings, the overhyped claims, the known risks, and how to practice it sensibly.
- Practice
Old Concentration Exercises That Still Work
Simple attention drills from early 1900s mind-training books like The Power of Concentration, what they ask of you, and what modern research says about them.


