Fit heart can slow brain ageing, US researchers say

| 03/08/2010

(BBC): Keeping your heart fit and strong can slow down the ageing of your brain, US researchers say. A Boston University team found healthy people with sluggish hearts that pumped out less blood had "older" brains on scans than others. Out of the 1,500 people studied, the team observed that the brain shrinks as it ages. A poor cardiac output aged the brain by nearly two years on average, Circulation journal says. The link was seen in younger people in their 30s who did not have heart disease, as well as elderly people who did. The participants with smaller brain volumes on magnetic resonance imaging did not show obvious clinical signs of reduced brain function.

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