Blood Pressure Medications Lower Dementia Risk
Common medications used to manage high blood pressure can help lower the risk of developing dementia, according to research. Scientists report that controlling blood pressure plays a crucial protective role for the brain, particularly against vascular dementia, which stands as the second most common form of the condition following Alzheimer’s disease.
Vascular Dementia Accounts for Up to Thirty Percent of Cases
Vascular dementia accounts for roughly 20 to 30 percent of all dementia cases, though researchers suspect its true impact remains underestimated. Unlike Alzheimer’s disease, which is traditionally linked to protein build-ups in the brain, vascular dementia stems from problems within the blood vessels supplying the brain. Over time, these vessels become damaged, stiff, or leaky, which cuts off the vital flow of oxygen and nutrients to brain cells and eventually results in memory problems, confusion and other symptoms associated with dementia.
Heart Health Directs Brain Protection Strategies
Controlling high blood pressure serves as one of the simplest methods to protect these vulnerable brain blood vessels. Research published last year confirms that blood pressure treatments could reduce the number of people who go on to develop dementia. Dr Richard Oakley, associate director of research and innovation at the Alzheimer’s Society, noted the connection by stating, We’ve long known that what’s good for your heart is good for your head.
Furthermore, experts now believe Alzheimer’s and vascular dementia share much closer ties than previously understood.
Blood Vessel Illness Drives Alzheimer’s Symptoms
Professor Adam Greenstein, a clinician scientist at the University of Manchester, explained that damaged blood vessels make it harder for the brain to clear out harmful proteins. He stated, So, this condition we call Alzheimer’s, which everybody has always talked about as being a neurodegenerative condition, is also to a large degree, a [blood vessel] illness.
In parallel with these findings, researchers are actively investigating whether two existing medicines designed to improve blood flow for patients suffering from chest or leg pain might also treat vascular dementia.
Future Treatments Target Multiple Causes
Professor Joanna Wardlaw, head of neuroimaging at the University of Edinburgh, suggested that future dementia treatments could involve several medicines targeting different causes. Despite these promising avenues, researchers emphasize that blood pressure medication is not a guaranteed way to prevent dementia. People should not start or stop taking prescribed medicines without speaking to a healthcare professional.
Frequently Asked Questions About Blood Pressure and Brain Health
What percentage of dementia cases are vascular?
Vascular dementia accounts for approximately 20 to 30 percent of all dementia cases, though researchers believe the actual impact is frequently underestimated.
How do blood vessel problems affect Alzheimer’s disease?
According to Professor Adam Greenstein at the University of Manchester, vascular issues make it harder for the brain to clear harmful proteins, meaning Alzheimer’s functions to a large degree as a blood vessel illness.
Are researchers testing other medications for vascular dementia?
Yes, researchers are investigating whether two existing medicines currently used to improve blood flow in people with chest or leg pain could also help treat vascular dementia.
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