The Apple Watch Series 10 should be a great tool for runners, but two major issues make me question its helpfulness.

Bradycardia, or a heart rate that is too slow, can be a serious condition ... be activity tracking features on devices like the Apple Watch. These devices can help track your heart rate 24/7 ...

Our editors also may be in touch with follow-up questions. An elevated heart rate as a result of physical activity, such as going for a run, is common, but what should your heart rate look like at ...

Many of the latest smartwatches such as the Masimo W1 and Apple Watch will automatically ... and either quicken or slow down your heart rate. The so-called parasympathetic response – which ...