After the age of 70, determining the right blood pressure becomes more complex.
What’s too high, what’s too low – and when should treatment begin?
Blood pressure doesn’t have to rise with age

While rising blood pressure is common in old age, it’s not a biological inevitability.
Studies of indigenous populations show stable blood pressure throughout life, even after 70, suggesting environmental and lifestyle factors – not age – are the cause.
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Diet and lifestyle make a big difference

Groups like the Yanomami and Tsimané eat unprocessed food, consume very little salt, and stay active.
Their blood pressure doesn’t rise with age, highlighting how Western habits – not aging – lead to hypertension.
Ideal blood pressure mirrors that of healthy young adults

Theoretically, older adults should aim for the same levels as younger people: systolic below 120 mmHg and diastolic below 80 mmHg.
However, these targets may not be realistic or safe when medication is involved.
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Too low is dangerous too

In seniors, excessively low blood pressure can increase the risk of falls, fainting, and reduced brain perfusion, potentially leading to cognitive decline.
That’s why aggressive treatment should be avoided.
Clinical targets are more flexible than theoretical ideals

In practice, slightly higher blood pressure is often acceptable for older adults to avoid side effects. A perfect number isn’t always worth the risk of complications.
When should treatment begin?

According to the guidelines, treatment should start for those over 70 when systolic pressure hits 140 mmHg or more – provided the patient tolerates treatment well.
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Be cautious in very old patients

For those over 80, treatment decisions should consider overall health and functional status.
Frail patients with multiple conditions should avoid aggressive medication strategies.
Treatment goal: 130–139 mmHg systolic

Once treatment begins, the systolic target is usually between 130 and 139 mmHg – as long as it’s well tolerated.
Lower than 130 mmHg isn’t recommended in very old patients due to risks.
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Diastolic pressure shouldn’t fall below 70–80 mmHg

Dropping below 70 mmHg diastolic is discouraged, as it may reduce blood flow to the brain and kidneys. Safety comes before chasing the "perfect" reading.
Individualized care is essential

Age alone shouldn’t dictate treatment. It’s crucial to consider overall frailty, functional independence, and how well the patient tolerates medication.
In frail seniors, slightly higher pressure may be safer to prevent dangerous side effects.
This article is based on information from Healthy.thewom.it.
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