Blockages in tiny blood vessels in the brain that can't be detected with modern technology could be responsible for many of the "parkinsonian" signs of aging, such as stooped posture, difficulty balancing, slowed walking and shaky hands, according to a study from Rush University Medical Center in Chicago, USA, reported online in the 1 September issue of Stroke: Journal of the American Heart Association. The researchers said we should not accept parkinsonian signs as a normal part of aging, but should understand what causes them and try to treat them...
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