Opinion

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Health

A $99 Glucose Sensor Won't Save You From Skipping the Gym

The OTC glucose monitor market hit $370 million in 2024, and healthy people are now strapping biosensors to their arms in the name of wellness. But the research on behavior change in non-diabetics is thin, short-term, and full of caveats. Here is what the evidence actually says, and what to do instead.

By Maya Okafor · 4 min read

Health

Your Wearable Is Lying to You About Half Its Metrics. Buy the Right One Anyway

The wearable medical device market hit $67 billion in 2026. A peer-reviewed study of 536 sleep nights finally tells us which devices actually measure HRV accurately. Here's how to build the monitoring stack that makes your annual physical look prehistoric.

By Kai Brighton · 4 min read