A new study suggests walking just 4,000 steps a day could be enough to lower one's risk of death by up to 40%.

Is walking 4,000 steps once or twice a week enough to reduce heart disease risk? A new study found that those who took at least 4,000 steps lowered their cardiovascular disease risk by 27%.

Older women who clock up at least 4,000 steps just one or two days per week live longer, suggests a new study. They are also ...