I love to binge TV series like Battlestar Galactica, Fringe, Buffy, Line of Duty, Happy Valley, Prime Suspect, Cracker, Alias, Justified, The Bridge, Forbrydelsen, and The Americans, like the rest of us Getting off the couch and walking, running, hiking, weight training, swimming, stretching for 30 minutes a day, five times a week will not only help your body, but your mind. Gizmodo: Being a Couch Potato Is Bad for Your Memory, Study Warns Bad news for couch potatoes: New research released this week suggests that working out will not only improve your body, but keep your brain sharp as well. Researchers in Finland looked back at earlier studies that compared the memory skills of people across different levels of physical activity.