Photoplethysmography (PPG) is an optical sensing technique that measures blood volume changes and underpins devices ranging ...

Your Apple Watch can help you keep a close eye on your blood pressure at home. Here's how to use it. Macy is a writer on the ...

You can also see your ring’s battery life based on a circle icon in the top right corner. The ring is easily rechargeable with its own ring holder that you can keep on your nightstand. Overall, you ...

Women in leadership…your brain has a schedule. This hidden number on your smartwatch can help you beat burnout by aligning ...