Netgeo - Battle of the ages

http://channel.nationalgeographic.com/channel/brain-games/episodes/battle-of-the-ages/video/

While it's long been believed that both your body and your brain deteriorate over time, recent studies show that may not always be the case. Some brain functions improve as we get older, while others don't fully develop until later in life. In this episode, we explore your brain and how it doesn't always act its age. Through a series of games and experiments, you'll discover how your daily routines might be aging your brain, and how you can actually slow down the clock.