5-minute hourly walks: The most realistic prescription for brain and body health

A simple yet effective strategy to combat the health risks of prolonged sitting involves taking short, frequent walking breaks. New research published in the *British Journal of Sports Medicine* indicates that a 5-minute walk every hour can be a highly cost-effective approach to mitigate the adverse health impacts associated with a sedentary lifestyle.

The study, led by researchers at Columbia University, involved over 19,000 adults participating in the NPR "Body Electric Challenge." Participants were divided into groups taking 5-minute walking breaks every 30, 60, or 120 minutes. The findings revealed that all groups experienced significant improvements in mood and reductions in fatigue.

While breaks every 30 minutes yielded the greatest reduction in fatigue, participants found hourly breaks more practical for sustained implementation. The 60-minute interval offered a balance between noticeable health benefits and minimal disruption to work flow, making it the most sustainable option for many.

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The perception that short breaks during work will decrease productivity has been refuted by this study's findings.

Contrary to concerns that movement breaks might decrease productivity, the study's analysis of work performance and engagement showed no negative impact. In fact, the short breaks appeared to positively influence concentration and work output. Researchers suggest that the perception of reduced productivity is often an unfounded fear.

Although the study relied on self-reported data and was conducted over a relatively short period, its findings provide strong evidence for public health guidelines. Lead researcher Keith Diaz emphasized that "every hour, 5 minutes of walking" could become a key strategy in promoting physical activity and combating the harms of excessive sitting. The research also indirectly supports the idea that frequent movement, rather than just total sitting time, is crucial for health, with longer periods of continuous sitting linked to increased mortality risk.

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This result can be strong evidence for public health authorities to consider 'walking for 5 minutes every hour' as an important strategy when establishing physical activity guidelines.