Fitbit Edge: The Charge 6 Successor Fixes GPS but Costs $179
The Fitbit Edge replaces the Charge 6 with working GPS, an altimeter and a swappable battery, but drops Google Pay and costs $179. Who should upgrade.
Garmin Enduro 4: Fenix 9 Smarts, Same $899, Same Battery Life
The Garmin Enduro 4 adds Fenix 9 software, more RAM and double the storage at the same $899, with unchanged battery life. Who should upgrade from Enduro 3.
KardiaMobile 6L: The Study That Found Twice as Many Arrhythmias as Hospital Monitors
A University of Rochester cohort study published in JACC Advances found AliveCor's KardiaMobile 6L detected nearly twice the arrhythmia rate of traditional short-duration ECG monitors in 350 patients over 30 days.
The Bathroom as a Longevity Clinic: What Vivoo's Passive Monitoring Stack Changes
Vivoo's urinalysis platform and toilet-integrated hydration monitor embed daily biomarker collection into existing routines. What it covers, why passive beats active testing, and where this sits in a complete longevity stack.
Ultrahuman's Emerald Update Answers a Question Wearables Kept Ignoring
Ultrahuman's Emerald overhaul replaces spreadsheet-style metrics with a decision engine that tells you what to actually do next — plus a VO2 max algorithm validated to lab-grade accuracy.
Google's SensorFM: What a 1-Trillion-Minute Wearable Dataset Changes
Google's new foundation model for wearable sensors outperformed prior models on 34 of 35 health tasks — and what it means for the future of passive health monitoring.
Dry Fasting for 5 Days: What the Biometrics Actually Showed
A measured 5-day dry fast tracked with continuous glucose, ketones, HRV, InBody scans, and grip strength. What the data showed — and what the dehydration artifact gets wrong.
Medtronic and Corsano Are Building the Hospital-to-Home Wearable Stack
Medtronic's integration of Corsano's FDA-cleared multi-parameter wearable into its HealthCast platform extends clinical monitoring from pre-op through home recovery — targeting alarm fatigue along the way.
Ultrahuman M2 Live Makes Continuous Glucose Monitoring Mainstream
Ultrahuman's M2 Live pairs with Abbott's OTC Lingo CGM to bring prescription-free glucose tracking to anyone for $99/month — removing the biggest barrier to metabolic health monitoring.
Clair Raises $11.6M to Build the First Continuous Hormone Monitor for Women
Clair's wrist-worn device uses 10 biosensors and 130+ proprietary biomarkers to infer estrogen, progesterone, LH, and FSH levels in real time — revealing 9 distinct hormonal sub-phases the traditional 4-phase model misses.
Sky Labs' CART BP Pro Ring Heads to Europe After 260K+ South Korean Prescriptions
Sky Labs is launching its cuffless blood pressure monitoring ring in Europe and the UK, backed by CE-MDR certification and a 260,000+ prescription track record in South Korea.
Oura Ring 5: The Smallest Smart Ring Gets Serious About Health Data
Oura Ring 5 launches 40% smaller with a month-long charging case, blood pressure signal detection, and GLP-1 medication insights. What's genuinely new and who the upgrade makes sense for.
Oura Ring 5: The World's Smallest Smart Ring Adds Blood Pressure Signals and GLP-1 Insights
Oura Ring 5 launches 40% smaller than its predecessor with rebuilt sensors, blood pressure monitoring signals, and a portable charging case. Here's what's new and who the upgrade makes sense for.
Wearables: When Your Fitness Tracker Becomes a Medical Device
WHOOP's 2025 FDA warning revealed a hidden boundary inside wearables. As brands add clinical features, the wellness exemption is under pressure — and the implications run far beyond WHOOP.
Diathrive + KardiaComplete: The Cardiometabolic Stack Getting FDA-Grade ECG Into Diabetes Care
People with Type 2 diabetes face 2-3x higher AFib risk, yet most digital health platforms treat heart and glucose monitoring separately. The Diathrive-KardiaComplete integration changes that.
WHOOP Goes Clinical: What On-Demand Doctor Access Means for Your Recovery Data
WHOOP launches live clinician consultations on May 19 — the same day Fitbit rebrands to Google Health. What the parallel moves mean for serious health trackers.
60% of Workers Rank Health Access First. Employers Are Behind.
A new UK survey finds 60% of workers rank health insurance above all other benefits — a signal that healthspan is reshaping what employees expect from employers.
Hone Health + BodySpec: Clinical DEXA Inside Your Longevity OS
Hone Health and BodySpec integrate clinical DEXA scans into a longevity OS, moving bone composition data from reactive diagnosis to preventive care.
Longevity Quotient: When a Clinical Score Meets Continuous Wearable Data
Agentis Longevity integrates Ultrahuman's Ring AIR and M1 CGM into its Longevity Quotient — giving a five-component clinical score a real-time wearable data layer.
Ultrahuman Wearables Now Power a Living Longevity Score
Agentis and Ultrahuman link real-time ring and CGM data to the Longevity Quotient — a living composite score that tracks where your health trajectory is heading.
Your Smartwatch May Be Able to Predict Cognitive Decline — Before You Notice It
A University of Geneva study using 88 participants over 10 months found AI can predict fluctuations in brain health from passive wearable data with just 12.5% average error.
Why Your Biohacking Stack Isn't Working: The Context Problem
The reason most health interventions fail isn't the intervention — it's the absence of a personalized model of how your biology actually responds.
The Near-Future Biohacking Platform: Eight Sleep's Path to Preventive Healthcare
With a $1.5B valuation and the new Pod 5 architecture, Eight Sleep is transitioning from a smart mattress to a comprehensive preventive health stack.
The Architecture of Continuous Biosensing: From Wearables to Woven Systems
Analyzing the 2026 shift toward multi-sensor biosensing platforms and the quantification of aging through the ARPA-H and WHOOP initiative.
Oura Ring 4 vs Eight Sleep Pod 5: The Recovery Architecture Duel
A technical comparison of wearable versus environmental recovery systems for high-performance human architecture.
The Preventive Platform: Bio-Interfacing the Sleep Architecture
Analyzing the transition of sleep environments from passive recovery zones to active, data-driven preventive health platforms.
Biohacking Data Sovereignty: Owning Your Biological Identity
Why the future of biohacking depends on decentralized data storage and the elimination of centralized health platforms.