Everyone wants to have a peaceful and happy life. However, you can not make it happen if you get sick, so you should to keep your healthy. There are several ways to be healthy. First step is eating the healthy foods. To be healthy, people should eat foods with balanced nutrition that the body needs. You are recommended to eat foods that contain carbohidrates, vegetables, fruits, side dishes and milk. Besides that, you should eat on time and drink enough water. Second step is doing exercise regularly. You need to do exercise to maintain not only your body fitness but also your immune system. To do exercise, you do not have to do strenuous exercise for a long time. You can do simple things regularly in daily life such as going up steir instead of using elevator, walking and riding bicycle instead of riding motor vehicle, etc. The last step is having enough rest. Having enough rest is important to keep healthy. To rest optimally, people are recommended to sleep at least 8 ...