Dementia can be prevented through which of the following activities?

Engaging in physical exercise is indeed associated with a lower risk of developing dementia. Regular physical activity promotes cardiovascular health, improves blood flow to the brain, and can enhance cognitive function. Exercise has been shown to stimulate the release of neurotrophic factors, which support neurogenesis—the growth of new neurons—and promote connections between brain cells. Additionally, exercise can help manage other risk factors for dementia, such as obesity, diabetes, and hypertension.

In contrast, increased isolation is linked to higher risks for cognitive decline and dementia. Social interactions are important for mental stimulation and emotional well-being, which contribute positively to brain health. Therefore, while physical activity plays a significant role in potentially preventing dementia, increased isolation does not have a beneficial effect and can be detrimental.

Overall, the emphasis on physical exercise highlights its effectiveness in promoting not only physical health but also mental acuity, making it a critical component in strategies aimed at mitigating the risks associated with dementia.