Amazfit Helio Strap Call Alerts Arrive via OpenStrap App
An open-source Android app adds Amazfit Helio Strap call alerts and notification buzzes that Zepp leaves out. What OpenStrap does and what setup it takes.
Fitbit Air Health Guardian: BP and Insulin Trends Need Premium
Google Health 5.11 brings Health Guardian blood pressure and insulin resistance trends to Fitbit Air, behind Premium. What the features need and measure.
Garmin Connect API Reopens: Free Personal Access, Paid Enterprise
Garmin's revamped Connect API gives anyone free personal access to their own data and charges apps past 1,000 users. What changes for athletes and their apps.
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.