By Zahna Eklund If you can solve this in under one minute, you might just be a genius. Brain teasers are devilishly difficult puzzles that force you to think in different ways in order to solve them. They’re great for boosting cognitive function and giving your brain a much-needed workout, and they can even help keep degenerative diseases such as dementia at bay by keeping your brain healthy and active. Just one brain teaser a day can do wonders for your mind’s health, and while you might struggle to solve them at first, practice definitely makes perfect. So if you’re looking for a way to work…