Spoiler alert: The viral health tip claiming that brushing your teeth with your non-dominant hand to reverse dementia is oversimplified, mostly because it’s untested and therefore unproven.

But that does not mean that switching everyday tasks to your other hand does not benefit your brain at all. What scientists do know is that it strengthens specific regions of the brain for the same reason puzzles, new hobbies, and earning a degree do: It’s challenging.

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https://theepochtim.es/tger7p