Taking a pleasant daily stroll could help slow the protein buildup and cognitive decline associated with Alzheimer's disease, new research reveals.

In a careful study of lifestyle habits, medical data, and brain scans taken of hundreds of senior volunteers, a team led by Mass General Brigham in the US found that even a modest level of physical activity may be sufficient to put the brakes on the disease's progression.

The results suggest that a sedentary lifestyle could play a significant role in Alzheimer's decline – but that also makes it an easy target for intervention.

Related: Alzheimer's May Not Actually Be a Brain Disease, Reveals Expert

Alzheimer's disease is a progressive, degenerative condition characterized by continued degradation in short-term memory. It's also preval

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