Eating healthy and working out isn't just meant for losing weight. In fact, these are important aspects of keeping your body healthy and happy for a longer life, and who wouldn't want to add a few years onto their life? While a generic nutritious diet and workout regime will help with adding those years, there are a few foods you can focus on that will actually help boost your chances of living a longer life. One of the most popular—and one of the sweetest—foods you can eat include berries! Blueberries, raspberries, and…