Health plays a fundamental role in success and happiness. it is undeniable fact that illness is inevitable, and each individual will encounter situations of both health and illness. there isn't a single person in the world that has never experienced illness in some sense. thus, it is crucial to learn how to be healthy. and now we are much more easy to get the information of how to keep healthy, internet, magzine, newspaper even some courses in deferent schools offer this kind of information. you can go for it if you want to be companioned by a healthy life style and enjioy your lifespan.