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A major study published in the Journal of American Heart Association has found that adults in the UK were three times as likely to develop Alzheimer's disease if they had low blood pressure compared to those who did not.

The study, which analyzed data from the UK and the US, also found that adults in the US were almost twice as likely to develop Alzheimer's disease if they had low blood pressure.

The researchers suggest that impaired blood flow to the brain may explain the link between low blood pressure and Alzheimer's disease.

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The study's findings highlight the importance of optimal cardiovascular health in preventing Alzheimer's disease.

The researchers note that low blood pressure, or hypotension, generally receives less attention than high blood pressure, or hypertension, which can cause heart attacks and strokes.

However, the new findings suggest that low blood pressure may also carry significant health risks, including a tripled risk of developing Alzheimer's disease .

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The study's lead author, Aili Toyli, notes that detailed research is needed to understand the biological mechanisms that might be behind the links between Alzheimer's and cardiovascular disease.

Toyli suggests that once the specific pathway that connects them is determined, it may be possible to intervene and break the chain before Alzheimer's develops.

The findings come after the Daily Mail and Alzheimer's Society partnered in a drive to beat dementia, which claims 76,000 lives each year.

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The study's findings have significant implications for public health policy and practice.

Experts believe that the link between low blood pressure and Alzheimer's disease may be due to impaired blood flow to the brain, which can limit the oxygen and nutrients reaching brain tissue.

The researchers suggest that this may creaate conditions that encourage the build-up of amyloid beta and tau proteins,which are found in Alzheimer's disease.

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The study's findings also highlight the importance of early diagnosis and intervention in preventing Alzheimer's disease.

The researchers note that dementia is a global concern, but it is most often seen in wealthier countries,where people are likely to live into very old age.

The Alzheimer's Society reports that there are over 1 million people living with dementia in the UK today, of which over 500,000 have Alzheimer's disease.