A new Apple Watch feature passively analyzes optical heart sensor data during waking hours to flag 'possible hypertension' ...

Your systolic blood pressure and diastolic blood pressure describe the pressure on your arteries at different points in your heart beat.

For accurate readings, check your blood pressure twice a day, take five minutes to relax, and make sure you're following your monitor's directions.

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Humans love to keep score. Whether it’s tracking wins in a favorite sport, counting tomatoes from the garden, or following ...