High blood pressure, or hypertension, has long been linked to an increased risk of cardiovascular problems, but researchers are finding that its effects extend to brain health as well. Chronic high blood pressure can damage the delicate blood vessels that supply the brain with oxygen and nutrients. Over time, this damage may lead to reduced blood flow, small strokes, or microbleeds, which can impair cognitive function and raise the risk of different types of dementia, including Alzheimer’s disease and vascular dementia.
One of the key concerns is that uncontrolled hypertension can accelerate the buildup of plaque and other harmful changes in the brain. These changes can disrupt communication between brain cells, contribute to the death of neurons, and ultimately affect memory, reasoning, and decision-making skills. The risk seems to be especially significant when high blood pressure develops in midlife, as the cumulative effects of vascular damage can show up decades later as cognitive decline.
The good news is that controlling blood pressure appears to have protective effects on the brain. Studies suggest that maintaining a healthy blood pressure through lifestyle measures—such as exercise, a balanced diet, limiting salt intake, and avoiding smoking—can help reduce the risk of dementia. In some cases, blood pressure medications have also been shown to lower the likelihood of developing cognitive impairment. Taking steps to manage hypertension early on is one of the most effective ways to safeguard long-term brain health.
To learn more about high blood pressure and dementia risk, from the Alzheimer’s Society, CLICK HERE.
