Brain takes a beating as arteries age

aging
Credit: CC0 Public Domain

Researchers in Umeå, Sweden, have presented a model that explains why memory deteriorates as the body ages. With age, the brain receives an increased load from the heart’s beating as the body’s large arteries stiffen over the years, causing damage to the smallest blood vessels in the brain.

Human memory deteriorates with increasing age, which most people experience sooner or later, even among those who do not develop diseases such as Alzheimer’s. Similarly, a connection between the ageing of the brain and the body is well known. However, the exact nature of this association is not known.

“We suggest a chain of events on how the ageing of the brain and vessels are related,”…

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