Dear Heloise: The reader who saves word games and puzzles to solve during idle moments is absolutely correct! One of the most important steps one can take to preserve and even improve brain health and wellness is mental stimulation, whether it be solving puzzles, learning a new language or simply taking a different route while driving home.

Equally important are socialization and friends, eating a healthy diet high in vitamins, exercise and spirituality, whether it be in the form of worship or meditation. After all, every time your heart beats, 25 percent of the blood flow goes to ...

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