Understanding Your Biological Age vs. Chronological Age
Learn the difference between biological and chronological age, and discover why tracking your biological age matters for longevity and health.
Bart ZalewskiNovember 15Authors
Bart Zalewski
Maker of HealthLens
Bart is a developer and an entrepreneur. He's building 52 startups in a year, including HealthLens - the biological age tracking app that shows how daily habits affect your aging.
Most recent articles by Bart Zalewski
Bart ZalewskiNovember 15Getting Started with HealthLens: Your First 7 Days
A complete guide to setting up HealthLens and making the most of your first week tracking your biological age. Start your age-reversal journey today.
Bart ZalewskiNovember 10Say Goodbye to Manual Food Logging: AI Meal Scanning
Discover how HealthLens uses on-device AI to instantly recognize your meals and log complete nutrition information without any manual entry.
Bart ZalewskiNovember 5The Science of Biological Aging: What Research Tells Us
Explore the latest research on biological aging, epigenetics, and what science says about slowing down—or even reversing—the aging process.
Bart ZalewskiOctober 2810 Evidence-Based Ways to Reduce Your Biological Age
A practical guide to lifestyle changes that can reverse your biological clock. Learn science-backed strategies to improve your biological age today.
Bart ZalewskiOctober 20