Blood pressure can feel intimidating, but it’s not always cause for alarm. It measures how strongly blood pushes against artery walls, shown as two numbers: systolic (heart contracts) and diastolic (heart relaxes). While “120/80 mmHg” is often cited, it’s a reference point, not a strict rule.

Numbers tend to rise slightly with age. For instance, in your 30s, 120–125/78–82 is common, while by your 60s, 135–140/85–88 may still be acceptable. For those over 70, “up to 140–145/85–90” is often considered normal.

Doctors usually start talking about hypertension at “140/90 mmHg,” while anything under “90/60 mmHg” may indicate low pressure, often linked to fatigue or dizziness. Importantly, “one single reading doesn’t tell the full story.” Stress, activity, or even rushing to the doctor can temporarily raise numbers—what matters is the trend over time.

Why does it creep up with age? Arteries stiffen, the heart works harder, and the body regulates pressure less efficiently. A small rise after 60 is often acceptable if there are no other risks.

You can support healthy blood pressure with simple habits: eat more vegetables and less salt, stay active, get quality sleep, moderate stimulants, and check your pressure regularly.