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News
Apple Watch has the most accurate heart-rate sensor of any wearable
2+ day, 16+ hour ago (821+ words) The New Health Sensing System on Apple Watch The new Health Sensing System on Apple Watch Series 12 and Apple Watch Ultra 4 features new optical and electrical heart sensors, enabling higher-frequency heart rate and heart rate variability (HRV) measurements, a new…...
The smartwatch myth: Why wrist wearables can’t predict a heart attack
3+ day, 19+ hour ago (325+ words) Smartwatches can help track fitness and detect some irregular heart rhythms, but experts warn they cannot diagnose heart attacks. A clinical ECG and medical assessment are required, while people should recognise warning signs such as chest pain, breathlessness and dizziness…...
Smartwatches Significantly Overestimate How Many Calories Are Burned
4+ day, 7+ hour ago (140+ words) HealthDay 8, 2026 (HealthDay News) -- Smartwatches significantly overestimate how many calories people burn during exercise, according to a study published online July 29 in PLOS One.Jason Kostrna, from Florida International University in Miami, and colleagues evaluated the accuracy of smartwatch-derived physical activity…...
Smartwatches May Overestimate Calories Burned
4+ day, 18+ hour ago (244+ words) HealthDay Staff Tuesday, 08 September 2026 07:17 AM EDT Your smartwatch may be giving you more credit for your workout than you actually earned. Researchers had 58 adults complete a cycling workout wearing four popular smartwatches, then compared their calorie estimates with clinical-grade measurements…...
High heart rate on your smartwatch? Doctor explains what it really means
6+ day, 2+ hour ago (715+ words) Smartwatch showing high heart rate? A cardiologist explains causes like stress, caffeine and smoking, when readings are normal, and when you should see a doctor With smartwatches becoming a part of daily life, more people are closely tracking their heart…...
Your Smartwatch Is Probably Lying About How Many Calories You Burned, Finds Study That Put Popular Brands to a Lab Test
1+ week, 1+ day ago (46+ words) Popular watches often misjudge workout calories. Errors grow as body fat rises....
Your smartwatch isn’t as smart as you think when it comes to health data
1+ week, 2+ day ago (509+ words) Smartwatches have improved our lives a lot. Their built-in health tracking has made health data accessible to more people than ever before, making us all a little more cognizant of our physical condition. That said, new research says we should…...
Study pinpoints the smartwatch with the least accurate calorie count
1+ week, 3+ day ago (714+ words) By EMMA NELSON, HEALTH REPORTER Apple, Samsung and Garmin smartwatches overestimate the number of calories you burn by at least 110, US scientists have discovered. Garmin watches are most likely to overshoot energy expenditure, while the Apple device is the most…...
Smartwatches Overstate Calorie Burn by 15% to 25%, Study Finds
1+ week, 3+ day ago (333+ words) Smartwatches overstate how many calories users burn during exercise by roughly 15% to 25%, according to a new study, suggesting the figures displayed on the devices should not be treated as precise measurements. A team led by Professor Jason Kostrna of Florida…...
Smartwatches Don't Hold Value Like Luxury Pieces, but Some Brands Fare Better Than Others
1+ week, 4+ day ago (165+ words) Ani Freedman is Editor of Daily News & Digital Content for ATN. Previously, she reported on health and wellness for Fortune Magazine, covering fitness, mental health, the latest in health science and more. Her reporting for InDepthNH.org on environmental pollution…...