Today’s Solutions: December 17, 2025

Think your brain is too old to learn new tricks, let alone keep cognitive decline at bay? That’s faulty reasoning: Brand-new research featured in the journal Cell: Stem Cell reveals that neurons continue to form in the part of the brain where memories are processed in your 40s, 50s, and even your 90s. And by engaging in certain behaviors, you can stimulate the formation of these neurons and make your brain more resilient against age-related decline.

There are some obvious things you can to save your brain: running, eating lots of greens, getting ample sleep. But there also some lesser-known ways to boost brain health. For instance, people who play sudoku or do a daily crossword have been shown to have the same problem-solving skills and short-term memory of individuals who are eight years younger. Looking for more ways to save your brain? Take a look right here.

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