Memory loss is one ailment that some persons hardly understand why it happens especially when they are still young.

But reports on studies related to memory loss are showing evidences that there is a relationship between blood pressure and the brain.

High blood pressure has been identified as one of the causes of memory loss.

Over the years, talks on high blood pressure are centred on cardiovascular diseases - heart attack - and stroke, but studies are showing that there is more to that condition.

All parts of the human body depend on the circulation of blood from the heart to the arteries. The brain depends largely on this activity also.

A block in the artery, which also triggers heath diseases, leaves the brain at the mercy of the condition, causing loss of memory, if not treated.

Harvard Medical School said a study that evaluated blood pressure and cognitive function in people between 18 and 46 and between 47 and 83 found that in both age groups' high systolic and diastolic pressures were linked to cognitive decline, a type of dementia called vascular dementia or even Alzheimer's disease.

Both high systolic (the top number of a blood pressure reading) and high diastolic (the bottom number) pressure take a toll.

European scientists reported that long-term therapy for high blood pressure reduced the risk of dementia by 55%.

One American study linked therapy to a 38% lower risk.

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Another reported that each year of therapy was associated with a 6% decline in the risk of dementia.

A study of American men and women linked therapy to a 36% reduction in the risk of Alzheimer's disease. In that study, a type of medication called diuretics appeared to be the most beneficial medication.

A team of investigators from Harvard and Boston University reported that six months of high blood pressure treatment actually improved blood flow to the brain.

Similarly, Italian scientists studied 80 patients with mild cognitive dysfunction. Over a two-year period, people who were given medications to treat high blood pressure were 80% less likely to progress to full-blown Alzheimer's than untreated patients.

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 It's only one study, and a small one at that, but hopefully additional research will back up that finding.