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Need to remember your shopping list at the store? Clench your right fist for about 90 seconds before memorizing it. Then, when you get to the store, clench your left fist to recall the items.

Sounds crazy, doesn’t it? But a new study out of Montclair State University in New Jersey suggests fist-clenching activates brain regions associated with memory formation, and a right-left sequence worked best.

Why have I been using “Post-it” notes all these years, when the answer was right in my hand — or rather, my fist?

Have you found anything else that works?