Articles
Guides and analysis on biohacker.co.hu
Twelve in-depth articles by Zoltán Varga. Each one answers a single question, starting with the short answer.
How to Design an n-of-1 Self-Experiment
A step-by-step guide to running rigorous personal trials using evidence-based medicine principles.
Stopping Rules: When to End a Self-Experiment
Define clear exit criteria before you begin to distinguish between genuine results, noise, and potential harm.
Baseline, Confounder, Washout: A Self-Experiment Glossary
Master the vocabulary of personal science to distinguish signal from noise in your own data.
Regression to the Mean and Placebo in Self-Tracking
Understanding why initial improvements often fade helps you design self-experiments that reveal true causal effects rather than statistical illusions.
Subjective Ratings vs Device Metrics in Self-Experimentation
A practical guide to selecting feedback signals that combine bodily awareness with calibrated device readings.
Why Your n-of-1 Result Does Not Generalize, and Why That Is Fine
Personal success proves nothing about the general population until you apply rigorous triangulation and understand the limits of individual variability.
Pattern: A Sleep-Routine Experiment Run Properly
An anonymized template for running a behavioral sleep experiment that isolates variables and establishes clear stopping rules.
Safety Limits: What Not to Self-Experiment With
Establish clear boundaries for self-experimentation to prevent harm when testing diet, sleep, or lifestyle changes.
Keeping an Experiment Log in Your Notes System for Clear Results
Structure your n-of-1 trials with a one-page template and a Map of Content to turn raw data into verified personal knowledge.
Self-Experimentation FAQ: Validity, Duration, and Safety Rules
A practical guide to designing, running, and concluding personal health experiments with scientific rigor and safety.
Calibrated Confidence: How Sure Are You About Your Result?
Apply calibrated confidence language from intelligence analysis to distinguish observation from speculation in your self-experiments.