A CARDIOVASCULAR disease affecting four million Brits unknowingly could be an early warning sign for dementia, scientists have revealed. High blood pressure puts extra strain on your arteries and your heart, which can lead to heart attacks . 1 High blood pressure causes stop enough oxygen getting to the brain According to scientists from the University of New South Wales in Australia those over 60 living with the condition untreated are also more likely to develop memory-robbing dementia.

Study author Matthew J Lennon, M.D., PhD said high blood pressure is a "leading cause of stroke and cerebrovascular disease, and yet it can be controlled with medication, reducing a person’s risk of these diseases.

" While previous research has found that taking blood pressure medications can reduce dementia risk, according to Matthew, less is known about the condition's impact on Alzheimer - the most common form of demenita. "Our meta-analysis looked at older people and found that not treating blood pressure may indeed increase a person’s risk," he said. Read more on blood pressure UNDER PRESSURE The jobs 'most likely to increase your risk of killer high blood pressure' TAKE FIVE Easy 5-minute life hacks to help you banish bloat & lower blood pressure Up to nine million adults in the UK have high blood pressure and four million of those live with the condition unknowingly, according to Blood Pressure UK .

The condition can be difficult to treat as many might not know they have it, as it .