As astronauts are exposed to microgravity over long durations, their bodies must adapt to this environment and all the changes it brings. From fitness to nutrition, astronauts must take care of themselves during their stays to ensure that they return to Earth healthy. As we learn more and more about the human body in this unique environment, our understanding of how it functions here on Earth grows. And the bottom line is that good health and exercise is crucial for life off-planet. What are creative ways you can encourage your family and friends to eat healthy and exercise? What about the children and elderly in your community - how can you help them embrace a healthy lifestyle? The possibilities are endless - what can you do inspire healthy habits?