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Evidence-Based

Health Insights

Articles grounded in peer-reviewed research. Understand the science behind your wearable data.

2026-03-22 Science

What Is HRV and Why It Matters for Your Health

Heart Rate Variability (HRV) is one of the most powerful biomarkers tracked by wearables. Learn what it measures, why higher is usually better, and ho...

2026-03-22 Health

Biological Age vs Chronological Age: What Your Body Really Tells You

Your calendar age is just a number. Biological age — based on HRV, sleep, fitness, and body composition — reveals how fast your body is actually aging...

2026-03-22 AI & Prediction

How Wearables Can Detect Illness Before You Feel Sick

Research shows wearable sensors can flag illness 3-7 days before symptoms appear. Learn how resting heart rate, HRV, and sleep changes create an early...

2026-03-22 Sleep

Sleep Debt: The Hidden Cost of Lost Sleep and How to Recover

Sleep debt accumulates when you consistently sleep less than your body needs. Learn what research says about recovery strategies and how MyBodyAI trac...

2026-03-22 Training

Overtraining Syndrome: 5 Warning Signs Your Wearable Can Catch

Overtraining syndrome can derail months of progress. Learn how the ACWR model, HRV trends, and sleep data reveal overreaching before injury....

2026-03-30 Science

How Stress Affects Your HRV

Chronic stress silently destroys your HRV. Here’s the science and 5 strategies to fight back.

2026-03-30 Science

VO2max: The Best Predictor of Longevity

Why VO2max predicts mortality better than smoking or diabetes — and how to improve yours.

2026-03-30 Science

Your Chronotype Matters More Than You Think

Evening types face 10% higher mortality when forced into morning schedules. Here’s why.

2026-03-30 Science

Resting Heart Rate: What Your Number Means

Your resting heart rate predicts cardiovascular risk. Here’s what the research says.

2026-03-30 Science

Can Your Wearable Predict When You'll Get Sick?

Research shows wearables can detect illness up to 7 days before symptoms. Here’s how.