Doctor , what are some things I can do to stay as healthy as I can be ?   You need to eat healthy foods and avoid unhealthy foods .   Sometimes I don ’ t know what the best foods are .   Fresh fruits and vegetables are important , along with protein and whole grains .   What things should I avoid ?   You don ’ t want to eat food that is high in fat . You need to avoid caffeine and sugar .   Beyond diet , what else can I do to be healthy ? 