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Google Health
Google Adds Function Labs and Lingo Glucose to Google Health. Like Apple, It's Keeping the Interpretation
In the month Google stopped onboarding new developers to its health API, it opened its app to lab, glucose and food data. Like Apple in September, it lets the inputs flow and keeps the interpretation, which is the part it sells.
Longevity
Neko Health Raised $700 Million. The $499 Scan Is the Front Door, Not the Business
Preventive body scans went from a $2,500 luxury to a $499 storefront in two years, backed by billions. What Neko, Function and Prenuvo actually measure, how often scans find something, and why a snapshot needs a trend.
Regulation
Happy Ring's FDA Blood Pressure Clearance Covers Less Than the Headlines Said
Happy Ring's blood pressure clearance made headlines as continuous and calibration-free. The FDA's own record says spot checks, ages 22 to 50, no diagnosis. How to read any wearable's health claim, with Apple, Samsung, WHOOP, Dexcom and Eversense as examples.
Regulation
Medicare Wants Remote Patient Monitoring (RPM) Run by Practices, Not Vendors
CMS wants remote monitoring to be care management run by the practice, not a service bought from a vendor. The five proposals in the 2027 fee schedule, the OIG findings behind them, and what they mean for practices and digital health vendors.
All Posts
100 articles
Google Adds Function Labs and Lingo Glucose to Google Health. Like Apple, It's Keeping the Interpretation
Google HealthStrategy
Neko Health Raised $700 Million. The $499 Scan Is the Front Door, Not the Business
LongevityMarket Analysis
Happy Ring's FDA Blood Pressure Clearance Covers Less Than the Headlines Said
RegulationWearables
Medicare Wants Remote Patient Monitoring (RPM) Run by Practices, Not Vendors
RegulationRemote Monitoring
Smartwatch Calories Are Off by 15 to 25%, Mostly Too High. Don't Let Users Eat Them Back
AccuracyWearables
Smart Glasses Are Health's Next Interface, Not Its Next Sensor
WearablesMarket Analysis
Strava API Changes in 2026: Paid Access, 10 Athletes Without Review, No Intermediaries
StravaDeveloper Tools
Can a Wearable Track Perimenopause? What Oura, Apple and Sensors Measure, and What Hasn't Been Validated
Women's HealthMenopause
How Heart Rate Zones Are Calculated on Apple Watch, Garmin, WHOOP and Fitbit, and Why Zone 2 Differs
Heart RateFitness
Can Your Phone Predict a Fall? Walking Steadiness, Gait Speed and What iPhone Actually Measures
MobilityAging
Google Health Guardian on Pixel Watch: Blood Pressure and Insulin Resistance Trends Without FDA Clearance
GoogleWearables
How Accurate Is VO2 Max on Apple Watch and Garmin? What the Validation Studies Show
VO2 MaxFitness
Over-the-Counter CGMs: Dexcom Stelo, Abbott Lingo and the Glucose Data Market for People Without Diabetes
GlucoseCGM
Can a Smartwatch Detect AFib? What the Apple, Fitbit and Samsung Evidence Actually Shows
Heart HealthWearables
Do Doctors Use Wearable Data? 97% Have Looked at It, 6% or Fewer Have It in Their Workflow
ClinicalWearables
How Wearable Stress Scores Are Calculated: Garmin, WHOOP, Oura, Samsung and Fitbit Compared
StressHRV
Cuffless Blood Pressure Wearables: Apple Hypertension Notifications, Samsung, Hilo and What Is Cleared
Blood PressureWearables
Can a Smartwatch Detect Sleep Apnea? What Apple's and Samsung's FDA-Cleared Features Actually Measure
SleepWearables
The Smart Ring Market in 2026: Oura, Samsung Galaxy Ring, Ultrahuman, RingConn and Garmin's Cirqa
WearablesMarket Analysis
Wearables and Adults Over 65: The Ownership Gap Medicare Programs Have to Close
WearablesHealth Data
How Many People Still Wear Their Wearable After Six Months? What a Decade of Abandonment Data Shows
WearablesRetention
Do Wearables Work on Darker Skin? What the Evidence Says About Heart Rate, SpO2 and Who Gets Tested
WearablesValidation
The 10,000 Steps Myth: What 57 Studies Say About Step Goals for Apps and Wellness Programs
Health DataWearables
Oura's IPO, Postponed: What a $15.6 Billion Smart Ring Valuation Says About the Health Data Business
Market DataWearables
Why Wearable Data Arrives Late: HealthKit, Health Connect and Cloud API Sync Delays Explained
WearablesHealthKit
Why Google Play Rejects Health Apps, Including Ones With No Health Features
Health ConnectGoogle Play
Garmin Paused Its Developer Program. Here's How Apps Still Get Garmin Data
GarminHealth Data
Why Apps Get Rejected After Adding HealthKit
HealthKitApp Store
Can a Web App Read Apple Health? HealthKit, PWAs, Capacitor and the Apple Health API Explained
Apple HealthHealthKit
Health Data Has Four Authorization Models, and a Cross-Platform App Is Usually Running Three
Health DataHealthKit
What It Actually Takes to Validate a Health Score
Health DataScores
What Is a Good Sleep Score? Apple's 82 Is High, Garmin's 82 Is Good, and WHOOP Is Scoring Something Else
SleepHealth Data
How Is a Readiness Score Calculated? Oura Uses Nine Inputs, Apple Uses Three, and None of Them Publish the Formula
Health DataScores
Wellness Program KPIs: Participation Is Not Engagement, and Neither Is an Outcome. The Seven Numbers to Report Instead
Health DataWellness
Three Governments Just Made Wearable Data a Regulated Input: CMS ACCESS, the NHS 10 Year Plan and the EU Health Data Space
ComplianceRegulation
Apple Watch Series 12 Health Features: Readiness, Recovery HRV, Health Age, Quest Labs and What Changed in HealthKit
AppleWearables
Health Insurance Is Copying Auto Telematics, and Health Has a Harder Problem Than Driving
Health DataWearables
The 2026 Wearable Market Is Splitting in Two, and the Health Data Is Going With the Premium Half
Market DataWearables
What Consumers Pay for Health Insight in 2026: The Price Map for Wearable Memberships, AI Coaches, Blood Panels and CGMs
Market DataWearables
Which Day Does Last Night's Sleep Belong To? Sleep Date Rules on Fitbit, Oura, Garmin, WHOOP, HealthKit and Health Connect
SleepHealth Data
Why Your Resting Heart Rate Differs by Device: Apple Measures Awake, Garmin and Oura Measure Asleep
Resting Heart RateWearables
What Is a Good HRV? Population Studies Say About 40 ms, Fitness Apps Say About 80, and Both Are Right
HRVHealth Data
Digital Health M&A in 2026: The Median Exit Takes 9.5 Years and a $7.7M Last Round
StrategyHealth Data
The Senate Rewrote HIPRA: AI Training Data Under HHS Rules, Consumer Disclosure Struck
ComplianceHealth Data
Non-Invasive Glucose Monitoring: Zero Cleared Devices, So Apple and Google Infer Instead
WearablesHealth Data
Can a Watch Detect Insulin Resistance? Google's Own Study Says It Misses 40% of Cases
WearablesHealth Data
Is Your Health App a Medical Device? After the FDA's January Guidance, Your Marketing Page Decides
ComplianceFDA
How Much Health Data Fits in an LLM Context Window? One Night of Heart Rate Costs 32,000 Tokens
AIHealth Data
Can You Feed Wearable Data to an AI? Strava Says No, Garmin Says Yes, WHOOP Says Nothing
ComplianceAI
The EU AI Act for Health Apps: The August 2026 Deadline Moved, but One Obligation Started Anyway
ComplianceEU AI Act
Google Fit's APIs Shut Down at the End of 2026: What Actually Replaces Them
GoogleHealth Connect
Building a Health Data Pipeline: The Hard Parts Nobody Warns You About
Health DataDeveloper Tools
Where Oura's 95% Sleep Accuracy Claim Actually Comes From
SleepHealth Data
Apple, Google, Whoop, Oura: What Builds a Moat in Health Data
StrategyWearables
Step Counting Accuracy: Phone vs Wrist
StepsWearables
Sleep Stages Without a Wearable: What a Phone Can and Cannot Detect
SleepSmartphone Data
Health Connect Without a Wearable: What Android Gives Your App
Health ConnectAndroid
Apple Health Without an Apple Watch: What Your App Actually Receives
Apple HealthHealthKit
Digital Phenotyping: A Developer's Guide
Digital PhenotypingHealth Data
Smartphone vs Wearable Adoption by Region: The 2026 Numbers
Health DataWearables
Bloodwork Goes Consumer: What the Whoop, Oura & Function Lab-Testing Boom Means for Health Apps
Health DataBiomarkers
The Health App Metrics That Actually Predict Retention (DAU Isn't One)
Health DataProduct
Fitbit Web API Shutdown: How to Migrate by 30 October, and What to Do If Google Won't Onboard You
FitbitGoogle
iOS 27 for Health & Fitness Developers: GymKit on iPhone, Camera Nutrition & HealthKit
AppleWearables
The Health AI Wars: Apple, Google, Samsung, and OpenAI Are Racing to Coach You — and Data, Not Models, Will Decide It
AIHealth Data
Orthosomnia: How Sleep Trackers Are Making Us Anxious About Sleep — and What Good Design Does Instead
SleepHealth Data
WWDC 2026: What Apple's Redesigned Health App, Better Sleep Tracking, and Delayed AI Coach Mean for Developers
AppleWearables
Apple Watch vs Oura Sleep Data: Why Wearables Disagree, and How to Build On It Anyway
WearablesSleep
Google Just Unified the Android Health Stack: What Google Health, the Gemini Coach, and FHIR Medical Records Mean for Developers
Health DataAndroid
Why Most Health App Users Churn Within 90 Days — And What the Data Says About Fixing It
StrategyHealth Data
Gamification and Behavioral Nudges in Health Apps: What Works, What Doesn't, and What Health Data Changes
GamificationEngagement
AI Health Coaching Is Here: How LLMs Trained on Wearable Data Are Replacing Generic Health Advice
AICoaching
Remote Patient Monitoring Is Going Consumer: How Wearables Are Crossing the Clinical Divide
Remote MonitoringWearables
Nutrition Tracking Is Getting a Data Upgrade: AI Food Scanning, Consumer CGMs, and the Convergence With Health Data
NutritionHealth Data
Digital Mental Health Is Moving Beyond Self-Report — How Behavioral Data From Phones and Wearables Is Changing the Game
Mental HealthBehavioral Data
Corporate Wellness Is Moving From Surveys to Passive Health Data — Here's What That Means
Employee WellnessHealth Data
The State of Women's Health Data in 2026: Why FemTech Is Digital Health's Biggest Gap — and Fastest-Growing Market
Women's HealthFemTech
How Longevity Apps Are Tracking Biological Age With Wearable Biomarkers
WellnessBiomarkers
From Reactive to Predictive: How AI Is Transforming Personal Health Analytics
AIHealth Data
The State of Wearable Health Data in 2026: Market Trends, Challenges, and What Comes Next
WearablesHealth Data
How Passive Health Data Collection Works on iOS and Android (Without a Wearable)
Health DataMobile
Data-Driven Personalization in Fitness Apps: From Generic Plans to Adaptive Coaching
WellnessPersonalization
Apple HealthKit vs Google Health Connect: What Developers Need to Know
Developer ToolsMobile
How Health Insurers Are Using Wearable Data to Cut Claims and Reward Prevention
InsuranceWearables
How GLP-1 Medications Are Reshaping Digital Health and Fitness
GLP-1Weight Management
HIPAA-Compliant Health Data APIs: A Checklist for Product Teams
Privacy & ComplianceHealth Data
Build vs Buy: The True Cost of Health Data Infrastructure
InfrastructureHealth Data
The Sleep Tech Market in 2026: Why Sleep Data Is the Most Valuable Metric in Consumer Health
SleepWearables
Connected Fitness and the Gym Tech Stack: How Health Data Is Reshaping the Fitness Club Industry
FitnessWearables
The Cold-Start Problem in Health Apps: How to Personalize Before You Have Data
ProductRetention
Sahha Ships Rebuilt Data Pipeline and Overhauled SDKs Across All Platforms
AnnouncementDeveloper Tools
How to Deduplicate Health Data Across Wearables: A Developer's Guide
Developer ToolsHealth Data
How to Normalize Wearable Data Across Providers: A Developer's Guide
Developer ToolsHealth Data
Wearables, Nearables, and Ambient: A Field Guide to Health-Tracking Devices in 2025 — and What Their Data Is Actually Worth
WearablesHealth Data
Sahha Raises $1.2M to Scale Health and Wearable Data Engagement API
AnnouncementFunding
Introducing Sahha Insights: Trend Detection and Population Comparisons for Health Data
AnnouncementProduct Launch
Sahha Launches Archetypes: Dynamic Behavioral Profiling From Health and Lifestyle Data
AnnouncementProduct Launch
Real-Time Health Scores and On-Demand Biomarkers Now Available on Sahha
AnnouncementProduct Launch
Sahha Introduces Smartphone-Based Sleep Estimation After Apple Drops iPhone Sleep Tracking in iOS 18
AnnouncementProduct Launch
Sahha Launches the Readiness Score: Recovery, Strain, and Sleep in One Daily Signal
AnnouncementProduct Launch