Scientific weight loss and exercise are natural remedies. The value of exercise goes far beyond simply consuming energy and controlling weight. From a physiological perspective, exercise is the only healthy lifestyle that can achieve both weight loss and muscle gain goals simultaneously. Muscles are the body's "fat burning engine", and with increased muscle mass, even when lying down and sleeping, more energy is consumed. More importantly, regular exercise can also improve insulin sensitivity, improve glucose and lipid metabolism, and reduce the risk of chronic diseases such as diabetes and hypertension. From a psychological perspective, the effect of exercise on promoting mental health is equally significant. During exercise, the brain secretes endorphins, a "pleasure hormone" that can effectively alleviate anxiety and boost confidence. A child who can persist in running 800 meters on the track not only gains physical improvement, but also self-identity of 'I can do it'. Childhood is the golden window period for developing exercise habits, and the exercise habits developed during this stage often accompany children throughout their lives. The World Health Organization recommends that children and adolescents aged 5-17 should engage in at least 60 minutes of moderate to high-intensity aerobic exercise every day. In China, the concept of "integrating health and physical education" is being promoted - hospitals and sports departments work together to replace some medication prescriptions with exercise prescriptions to prevent diseases before they occur. This health bill is worth it no matter how you calculate it. How should children exercise scientifically in different age groups? The focus of exercise varies depending on age. Children in this age group should explore freely in diverse game activities - exercising reaction and coordination skills through chasing and dodging, and controlling and stabilizing abilities through balanced climbing. Through intuitive demonstration and guidance, help children learn the correct basic exercise patterns, master good posture, and lay a solid foundation for lifelong exercise. The "Guidelines for Exercise for Preschool Children (3-6 Years Old)" recommend that preschool children engage in at least 3 hours of activity per day, with 1 hour reaching moderate to high intensity. Parents should be their children's playmates rather than 'coaches', such as riding bicycles or playing chase games with them. It is recommended that children in this age group engage in 1 hour of moderate to high-intensity aerobic exercise every day and exercise muscle and skeletal strength 3 days a week. Children aged 6-8 can master basic movements such as running, jumping, throwing, and catching through games; Children aged 9-12 should avoid sitting for long periods of time, engage in 3-5 minutes of activities during breaks, and perform core exercises, lower limb strength exercises, skipping rope exercises, or ball games three times a week. The key is to try to participate in a variety of different sports and find your own interests. Schools should offer full physical education classes, and families should limit screen time. In middle school, students face high academic pressure, and exercise is particularly important for relieving stress, promoting cognition, and mental health. Encourage children in this age group to engage in 3-5 minutes of brisk walking, stretching, or squats between classes; Engage in 1 hour of moderate to high-intensity exercise every day, and participate in team projects such as basketball and soccer as appropriate; It is also necessary to increase weight training, elastic band and other strength exercises appropriately. Parents can guide their children to develop exercise plans, shifting from 'I want to move' to 'I want to move'. Overweight and obese children need to pay more attention to methods when exercising. Medical evaluation can be conducted first to eliminate exercise risks. In the initial stage, low impact aerobic exercise such as swimming and cycling should be the main focus, gradually increasing daily physical activity. After physical fitness improves, low load strength training such as resistance and elastic bands should be gradually increased to avoid high impact movements such as jumping and running, in order to protect lower limb joints and enhance exercise confidence. It is crucial to build a defense line together and create a sports atmosphere that protects children's health and families. Parents should lead by example and persist in exercising, reduce the use of electronic devices with their children, set screen time, and integrate exercise into daily life - if they can walk, they should not take the car, and if they can climb stairs, they should not take the elevator. Encourage the whole family to take walks together, climb mountains on weekends, participate in skipping rope competitions, etc., turn sports into parent-child time, and children will naturally enjoy it. Schools should take responsibility effectively. The "2-hour physical activity time every day" must be implemented effectively, while enriching the content of physical education courses. For obese children, schools should not only focus on exercise safety, but also provide psychological support. Social support is indispensable. The community should build more free and safe children's sports facilities. Medical and health institutions should increase exercise assessment and issue personalized "exercise prescriptions" in children's physical examinations to ensure scientific exercise. Hospitals, schools, and communities should strengthen collaboration, establish student health records, and form a closed loop of "screening intervention management", so that every child can grow up healthy under scientific guidance. These pitfalls on the road to weight loss, can you eat them freely after exercising? A is wrong. The energy of a sugary drink may take half an hour of jogging to dissipate. Scientific exercise and a balanced diet are the correct ways to lose weight. Exercise cannot be an excuse for overeating. We should stick to drinking less sugary drinks, eating less fried foods and desserts, and eating more vegetables, fruits, whole grains, and high-quality protein. The more exercise, the better, and the more tired, the more effective? A is wrong. Children are in the stage of growth and development, and excessive exercise may lead to fatigue accumulation, sports injuries, and even affect height growth. There is a simple criterion for judging exercise intensity: slightly sweating and breathing faster, but still able to speak normally. Warm up and stretch before and after exercise, maintain focus and feel the body's response during exercise. If discomfort occurs, stop exercising immediately and observe carefully. If symptoms cannot be relieved, it is recommended to seek medical attention in a timely manner. Are obese children not suitable for exercise and prone to injury? A is wrong. There is indeed a risk of exercise for obese children, but they cannot "give up eating because of choking" and not exercise. Scientific, safe, and gradual exercise is an important measure to improve obesity and promote health. It is recommended to start with low impact activities such as brisk walking, cycling, and swimming, and take protective measures. Obese children can also gain confidence and health through exercise. (New Society)