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Physical activity research challenges 10,000 steps daily benchmark
New research suggests that the widely accepted goal of 10,000 steps per day may not be necessary to achieve significant health benefits. A study involving researchers from Harvard University indicates that older women can reduce their risk of premature mortality by over 25 per cent by walking just 4,000 steps a day, even if achieved only once or twice a week.
Further studies highlight the neurological benefits of moderate activity. Research tracking older adults with early signs of Alzheimer’s found that as few as 3,000 steps a day could help slow cognitive decline. While physical activity did not reduce amyloid plaques, it appeared to reduce the accumulation of misfolded tau proteins, which are closely linked to functional decline. In these participants, signs of dementia were reduced by nearly half.
Other data from the UK suggests that moderate to vigorous activity can reduce dementia risk by 34 to 50 per cent. While higher step counts, such as 5,000 to 7,500 daily, may offer optimal protection, the benefits often plateau, suggesting that even low levels of movement provide meaningful protection against heart disease and cognitive impairment.