Recent studies from 2023 report that approximately 12% of adults over 65 in the United States and 10% in the United Kingdom experience some form of cognitive decline, according to the CDC and NHS Digital. The brain, serving as the body’s central processing organ, is especially susceptible to age-related changes. Detecting early cognitive decline remains a significant challenge, making proactive brain health strategies—including games and puzzles—especially important for maintaining mental acuity.
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47. Cryptograms Cryptograms are word puzzles in which a phrase or quotation is encrypted using a simple substitution cipher—each letter in the original text is replaced…