There is a distinct moment of triumph when you snap the final piece of a jigsaw puzzle into place. You lean back, look at the complete image, and feel a wave of satisfaction. You have likely spent hours—perhaps even days—hunched over a table, sorting through hundreds of cardboard shapes to assemble a beautiful landscape or a complex piece of art. But almost immediately, a question follows: "Now what?"

When was the last time you completed a jigsaw puzzle? For many of us, puzzles are a nostalgic part of childhood or a quiet activity saved for a rainy day. But what if that simple, screen-free pastime was actually a powerful workout for your brain?