By now, we all know that exercise is not just good for our body, but also our brain. Exercise, as it is known, releases endorphins, also known as the feel good hormones, that boost up your mood, keep anxiety at bay, reduce stress etc. While there are a lot of things you should do to increase your brain power, like puzzles and games, do you know that there are specific exercises too, that can sharpen your brain? Here are 5 of them. Include them in your fitness regime today!