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Health insights
& biomarker guides

Evidence-based articles about understanding your health data, what biomarkers mean, and how to prepare for doctor visits.

Ferritin Levels Chart: What's Normal vs What's Optimal

Your lab says your ferritin is 'normal' at 25. But research suggests you might still be deficient. Here's the real chart.

High TSH: What Your Thyroid Is Actually Telling You

TSH is one of the most common blood test abnormalities. But what does it mean when your TSH is high — and when should you worry?

How to Read Blood Test Results (Without a Medical Degree)

Your lab report has dozens of numbers. Most are normal. Some need attention. Here's a plain-English guide to understanding what each section means.

The Best Apps for Tracking Blood Test Results in 2026

From basic lab trackers to AI-powered health records, here are the best apps for understanding your blood test results — and what each one actually does.

Your Health App Has Memory. Or It Doesn't.

Some health apps remember your data forever. Others forget it the moment you close the tab. Here's how to tell which is which.

ChatGPT Can Explain Your Labs. But It Can't Remember Them.

ChatGPT is great for one-off health questions. But what happens next month, when you need to compare?

Why Your Health App Should Let You Take Your Data With You

You've tracked your labs for months. But can you share that with your doctor? Most apps say no.

Bevel vs Bevita: Which Health App Actually Remembers Your Labs?

Bevita and Bevita both claim to be AI health coaches. But one focuses on wearable data, the other on your actual lab results. Here's what Reddit users are saying.

What Does Low Ferritin Actually Mean?

Ferritin is one of the most commonly tested biomarkers, yet many people don't understand what their results really indicate. A guide to interpreting ferritin levels.