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Understanding Your Body

Plain-language explainers on how the body's systems work — from the heart and gut to hormones and sleep — so general health news makes sense.

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Understanding Your Body What Do Your Blood Pressure Numbers Actually Mean?
Your blood pressure reading is two numbers — but what do systolic and diastolic actually mean, and what counts as normal?

What Do Your Blood Pressure Numbers Actually Mean?

Your blood pressure reading is two numbers — but what do systolic and diastolic actually mean, and what counts...

Jul 02, 2026