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Just 3,000 Steps a Day May Help Slow Alzheimer's, Scientists Find
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What Happened?
A study shows that low levels of physical activity, like walking 3,000 steps daily, may help slow Alzheimer's by reducing harmful tau proteins in the brain.
Key points
- The study tracked nearly 300 older adults with early Alzheimer's signs for 9 to 11 years.
- Physical activity did not reduce amyloid plaques but lowered tau protein accumulation.
- Participants who walked 3,000 steps daily saw nearly a 50% reduction in dementia signs.
- Optimal daily steps for benefits were between 5,000 and 7,500.
- The study's limitations include a small, mostly white, educated sample from the US.
Key insights
- The findings may encourage older adults to adopt more achievable physical activity goals.
- Understanding the relationship between exercise and brain health could lead to better dementia prevention strategies.
- The study highlights the importance of addressing barriers to outdoor activity for older adults.
Why it matters
This study suggests that even modest physical activity could significantly impact brain health and dementia risk.
Source
Science Daily
