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Walking can help you live longer

Trading just two minutes of sitting for walking can help you live longer, scientists claim.

Getting motivated for that much time of every hour otherwise spent languishing on a sofa or stuck behind a desk reduced the risk of dying by a third, a study found.

For people with chronic kidney disease, the swap was even more effective, lowering mortality by 41pc.

Scientists used statistical techniques to examine the effect of "trading off" sedentary behaviour for different levels of activity.