Health Tech Guides
Deep-dive guides on understanding, evaluating, and using health technology — written by physicians and clinical researchers, not sponsored by device manufacturers.
Health Tech Buying Guide 2026
What specs actually matter. Which claims are marketing noise. How to evaluate any health device or app before buying.
How Accurate Are Wearables? The Evidence Guide
Clinical literature and our own testing: heart rate, GPS, sleep staging, SpO2, HRV. What wearable accuracy data actually means.
Health Data Privacy: What Your Wearable Knows
What wearables collect, who they share it with, what HIPAA covers (and doesn't), and how to protect your health data.
AI in Healthcare 2026: What Consumers Need to Know
How to distinguish validated clinical AI from unvalidated marketing. FDA clearance, published accuracy data, and who to trust.
How to Build Your Personal Health Tech Stack
The 5-layer framework: continuous monitoring, nutrition tracking, activity, recovery, clinical. Which tools to prioritize and why.
CGM for Non-Diabetics: Is It Worth It?
The evidence for continuous glucose monitoring in healthy people. Which CGM to use, what normal looks like, and who benefits.
What Smart-Scale Body-Fat Readings Can and Can't Tell You
What published comparisons with DXA show about accuracy, daily swings and trend tracking, and how to read the number on your scale.
Our Testing Methodology
The standardized protocols we use to test every wearable, app, and medical device. Reproducible. Independent. Clinician-developed.