Who doesn't want to stay young and energetic all the time? It would be great if we were always in our twenties. Unfortunately, something like this is impossible, for now! But delaying it is possible, well to some level of course. If you're careful about what you eat, you have a high chance of increasing your lifespan and staying younger. In this post, we'll tell you what you should eat. According to Brightside, these things really help you improve your quality of life and increase your lifespan.