They found accelerated brain aging among hypertensive and prehypertensive individuals in their 40s, including damage to the structural integrity of the brain’s white matter and the volume of its gray matter.
This suggests that vascular brain injury develops insidiously over the lifetime with discernible effects. The study is the first to demonstrate that there is structural damage to the brains of adults in young middle age as a result of high blood pressure.
Structural damage to the brain’s white matter caused by high blood pressure has been associated with cognitive decline in older individuals.
The research emphasizes the need for lifelong attention to vascular risk factors for brain aging.
Normal blood pressure has a systolic blood pressure below 120, and a diastolic pressure below 80. Prehypertension blood pressure range is a top number between 120 and 139, and a bottom number between 80 and 89.
Elevated blood pressure affects about 50 million Americans and is associated with a 62 percent risk of cerebrovascular disease, and a 49 percent risk of cardiovascular disease.
The study says there is evidence that lowering blood pressure among people in middle age and in the young elderly can help prevent late-life cognitive decline and dementia.
Bottom Line: People can influence their late-life brain health by knowing and treating their blood pressure at a young age, when you wouldn’t necessarily be thinking about it.
Article appeared in Lancet