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Your brain can keep growing, adapting, and learning at any age, if you are willing to put in the effort [Image: Copilot]

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Building Brain Reserve

Developing new skills and tackling challenges isn’t just about staying busy—it builds a powerful shield called brain reserve, which can delay dementia and Alzheimer’s. Brain reserve is like a mental savings account: the more you invest in learning complex tasks—such as mastering a musical instrument, learning a language, or solving challenging problems—the stronger your brain’s neural networks become.

A meta-analysis by Livingston et al. (2021) of 38 studies found that mentally stimulating activities can cut dementia risk by up to 45% by enhancing cognitive reserve. This reserve helps your brain adapt when faced with age-related changes or disease.

Facing challenges, like taking a challenging course or engaging in physical activities, drives neuroplasticity, growing new connections in the hippocampus and prefrontal cortex. Erickson et al. (2011) showed that exercise in older adults increases hippocampal volume, boosting memory, while Nyberg et al. (2023) confirmed that complex learning strengthens neural networks, acting as a buffer against Alzheimer’s. Even small efforts, like debating ideas with friends, build resilience, reducing inflammation linked to cognitive decline (Cotman & Berchtold, 2002). By consistently pushing your limits, you stack the odds in favor of a sharper, healthier brain well into old age.

Learning

Student persistence practices

Best practices in supporting student success

Misawa Helps

Misawa Air Base personnel volunteer for Japan's recovery【東日本大震災津波】