A US study found that simple lifestyle changes can improve thinking and reduce the risk of dementia in older Americans. The two-year clinical trial involved participants with various risk factors for brain decline, including poor diet and lack of exercise. Those who made healthy changes, such as regular physical activity and mental stimulation, showed significant protection against Alzheimer’s disease.
Source: https://www.bloomberg.com/news/articles/2025-07-28/not-too-late-us-study-shows-how-to-avert-dementia-after-age-60