How to stay healthy? This is a concern of all of us. In order to have a healthy body, we need to pay attention to the following. First of all, no matter what happens, we need to stay calm and happy. We should remember that if a person is often angry or depressed, it is harmful to health. If we have any unpleasant news, we should not keep it in our hearts, but tell it to our friends. In this way, we can get rid of unpleasant events. Secondly, we need to pay attention to eating healthy food, such as all kinds of grains, fruits or vegetables. A person should not eat too much fat every day. Fat contains a lot of cholesterol and is easy to attach to the inner wall of blood vessels. If our blood vessels are damaged, it will lead to heart disease. In this case, we need to take some deep-sea fish oil containing omega to remove the garbage in the blood and clean the blood vessels. Healthy blood vessels can promote longevity. Third, we need to do some proper physical exercise. For young people, they like to do something energetic, such as running, jumping or lifting weights. For the elderly, they may do some gentle exercises, such as walking, jogging, playing Tai Ji Chuan or practicing yoga. As long as we do physical exercise every day, we can keep healthy. However, if a person is seriously ill, he needs to see a doctor at once.