Our expert says:
With age, one gets narrowing and hardening of the arteries as well as narrowing due to cholesterol plaques - there is nothing one can really do to open up the arteries in the brain - cholesterol medication will prevent arterosclerosis but not undo the damage already there. If the carotid arteries in the neck is blocked - it can sometimes be opened with an operation called endarterectomy. Dangers of this is that this procedure can cause strokes if small pieces of plaque breaks loose and end up blocking arteries in the brain.
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