Traffic fumes in city streets 'largely wipe out exercise benefits for over-60s': Groundbreaking study reinforces urgent need to reduce emissions, and advises over-60s to avoid polluted air by walking in parks and green spaces

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Traffic fumes in city streets 'largely wipe out exercise benefits for over-60s': Groundbreaking study reinforces urgent need to reduce emissions, and advises over-60s to avoid polluted air by walking in parks and green spaces