Normal blood pressure means lower dementia risk

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A group of scientists from Beijing Anzhen Hospital, among others, has made a significant discovery about the impact of blood pressure control on brain health.

Their research has shown that the better and longer we manage to keep our blood pressure within a healthy range, the less likely we are to develop dementia, a debilitating condition that impairs memory, thinking, and the ability to perform everyday activities.

The key finding of their study is the importance of maintaining the systolic blood pressure (the upper number in a blood pressure reading) within a target range. This effort could play a crucial role in safeguarding not only heart health but also cognitive function.

In the United States alone, nearly half of all adults battle with high blood pressure, but only a fraction effectively manage their condition.

Achieving control over high blood pressure involves lifestyle changes such as regular physical activity, a balanced diet, and, when necessary, medication.

Prior research has established a link between high blood pressure left unchecked and an increased risk of cognitive decline and dementia.

However, one of the challenges has been the natural fluctuation of blood pressure levels, which can vary daily. This variability makes it difficult to ascertain whether blood pressure is consistently managed.

The team explored this issue by examining data from the SPRINT study, which evaluated the impact of various blood pressure treatments on individuals with hypertension.

They discovered that participants who maintained their systolic blood pressure within the desired range for extended periods had a notably lower chance of being diagnosed with probable dementia.

Specifically, for every 31.5% increase in the duration blood pressure remained within the target zone, there was a 16% reduction in dementia risk.

This research underscores the long-term benefits of sustained blood pressure management on brain health. It also highlights the potential for healthcare providers to better identify and support patients at greater risk of dementia by monitoring the consistency of blood pressure control.

Aside from blood pressure management, maintaining good heart and brain health involves several other factors.

Regular exercise, a nutritious diet, social engagement, managing chronic conditions, mental stimulation, and adequate sleep are all crucial components of a lifestyle that can help reduce the risk of dementia.

In sum, while there is no guaranteed way to prevent dementia, adopting these healthy habits can significantly lower the risk and contribute to overall well-being.

This study not only sheds light on the critical link between blood pressure control and cognitive health but also offers practical guidance for individuals and healthcare professionals aiming to prevent the onset of dementia.

If you care about dementia, please read studies about low choline intake linked to higher dementia risk, and how eating nuts can affect your cognitive ability.

For more information about brain health, please see recent studies that blueberry supplements may prevent cognitive decline, and results showing higher magnesium intake could help benefit brain health.

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