fjt Editorial Team
The articles on the fjt blog are written by the fjt editorial team.
How do we work?
- Every article is based on published, peer-reviewed studies; sources are listed at the end.
- Articles are not medical advice; see a doctor about health problems.
- We update articles as new research appears and show the date on the page.
Our articles
- What Is Biological Age? How It's Measured and How to Lower It
- What Is Longevity? The Foundations of Healthy Lifespan
- How to Calculate Biological Age: Tests That Actually Work
- How Sleep Shapes Your Biological Age
- Can You Track Biological Age Without a Smartwatch?
- What Is Metabolic Age and How Does It Differ From Biological Age?
- How Many Steps a Day Actually Slow Ageing?