Fitness Wearables & Tech

A smartwatch ECG can flag atrial fibrillation, but it can’t detect a heart attack or stroke. Here’s what a reading means, its limits, and when to see a doctor.

How smartwatch fall detection works on Apple and Samsung watches, who really benefits, the settings to switch on, and the limits to know before you rely on it.

Can a smartwatch blood pressure reading be trusted? What hypertension guidelines say, why watches need a cuff to calibrate, and how to check BP properly.

Resting heart rate rising on your smartwatch? 7 common reasons, from late nights and alcohol to a cold coming on, and the signs that need a doctor.

Smartwatch stress score explained: it reads heart rate variability, not your thoughts. What the numbers mean, what pushes them up, and when to ignore them.

Fitbit Air is on sale in India at ₹13,999. Here’s what the screenless band tracks, what the subscription covers, and who should buy one instead of a smartwatch.

What do heart rate zones on your smartwatch mean? Learn how zones 1–5 are worked out, which zone suits fat loss, and when your watch’s numbers can’t be trusted.

Smartwatch step count accuracy varies a lot. Here’s a 5-minute test to check your watch, 6 things that throw the count off, and what to check before buying one.

Your step count looks right but smartwatch calories seem way off? Learn why steps and calories don’t match, how accurate watches are, and which number to trust.