We've talked about the positive benefits of playing video games before, and this video from ASAP Science explains why video games -- in moderation -- can help boost cognitive function.
Sitting around and playing video games isn't going to make you better at everything, but games can help with memory, motor skills, strategic planning, and, of course, reaction time. Additionally, video games can help with developing a strong attention to detail. So, please, exercise and be productive, but don't feel bad about a few minutes in front of your favourite guilty pleasure.
Can Video Games Make You Smarter? [ASAP Science]