Current times have fundamentally altered the way in which we live our lives. We are staying in our homes more and more, and this inertia can result in the development of health problems. Even though we need to keep our bodies functioning optimally as we age, indulging in any kind of outdoor physical activities now becomes more cumbersome due to the colder weather. Taking into account that hindrance, it becomes important that we pay closer attention to what we are eating. Poor diet and excess weight are key factors that can depress the immune system. Therefore, eating a healthy, well-balanced diet is necessary to maintain a healthy weight and provides the nutrition that allows our body to enhance immunity.