Good for bodies and good for brains, the scientists say. iStockphoto hide caption toggle caption iStockphoto Shots - Health News More Active Play Equals Better Thinking Skills For Kids September 29, 2014 How long can you sit still in a desk? How about your 7-year-old? Maybe you could both use a break. A study shows that kids who get to run around and play after school are better at paying attention.