(The Conversation) – Your heart beats around 100,000 times every day. Heart rate is a key marker of cardiovascular activity and an important vital sign. But your pulse is not as steady as a precision ...

Fitness trackers and smart watches are widely popular wearable devices that measure several types of health metrics, including step count, calories burned, sleep quality, Vo2 max and heart rate. As a ...

DEAR DR. ROACH: My heart rate variability (HRV) on my heart rate tracker has ranged from 12-14 ms for years now. I read that this means something is going on inside me. Do you have any insight into ...

You probably check your step count religiously, maybe glance at your heart rate during workouts, and might even pay attention to how many calories your fitness tracker claims you’ve burned. But ...

What is heart rate variability (HRV)? As popular as the metaphor may be, a healthy heart doesn’t beat as regularly as a metronome. In fact, it changes its rhythm with each beat. Heart rate variability ...

Google just made sleep tracking dramatically more affordable. The new Fitbit Air, announced May 7, 2026, costs $99.99 with no ...

Google’s new low-cost wearable brings activity, sleep and recovery tracking to the masses ...

Google has launched Fitbit Air, a lightweight screenless fitness tracker with heart rate, sleep and SpO2 tracking, alongside its new AI-powered ecosystem ...

The Fitbit Inspire 3 Health and Fitness Wristband is the most basic model available from Fitbit. The Inspire 3 has a small AMOLED touchscreen, monitors your heart rate and blood o ...

You might have heard advice to keep your bedroom "cool" for better sleep. But recent research shows that not only do cooler ...

Tracking your menstrual cycle is a great way to keep on top of your symptoms and your health. Whether you take note of physical sensations, like bloating and energy levels or use a wearable to monitor ...