Public health concerns public safety and its objective is to protect the health of the population. “Promoting a healthy lifestyle, research into disease and injury prevention” is the responsibility of public health. The Ministry of Public Health recommends the elimination of any negative influences that could have harmful consequences. The medical profession is characterized by four moral principles, to provide good service to its clients. These are: do no harm, do good, autonomy and justice. The equitable distribution of these values ​​is still questionable. However, it is not possible to provide comprehensive health care to everyone. This essay will attempt to provide enough information to prove how sport is a public health issue. The first part of this essay presents the positive aspects of sport which contribute to a population in better physical and mental health. It will shed light on diseases and ways to prevent them. The second section refers to an unhealthy environment that reigns in sport. It will describe the destructive tendencies and harmful behaviors of its participants. The third part focuses on the value of research and the important position of public health sectors to skillfully raise awareness of environments in which men, women and children have predispositions to be physically active. Say no to plagiarism. Get a tailor-made essay on “Why Violent Video Games Should Not Be Banned”? Get the original essay Regular physical activity plays an important role in eliminating and controlling diseases. Sports participation has many positive outcomes, for example intense physical engagement and cardiorespiratory fitness have positive effects on adolescent health. It prevents chronic diseases, reduces the risk of premature death. A leisure-time physical activity, aerobic exercise contributes to well-being across different age and gender groups. It also improves quality of life and prevents stress and depression. “Being active in a sport can be seen as a form of physical and mental training that stimulates a healthy body and mind. “Aerobic exercise reduces heart disease and stroke, obesity, diabetes, high blood pressure and high cholesterol. It also improves bone density, lung function, body image and self-esteem. Regular physical activity possibly reduces the risk of cancer (breast and colon), osteoporosis and metabolic syndrome. This significantly leads to a better perception of the subjective image of health. Even walking briskly for a few hours a week reduces nonfatal or fatal myocardial infarction. According to Berg, athletes value hedonic rewards and the opportunity to interact with others more than athletic body images. Personal satisfaction and increased energy yield satisfactory results and are more appreciated by participants. Sport engages social interaction and a sense of belonging. This reduces alienation between children and adults. Sports and physical activity programs offer many opportunities; thus, it creates a larger cycle of a mentally and physically healthier nation. It motivates personal development through physical and mental stimulation while learning new skills, thereby reducing obesity and other diseases. According to Public Health Wales, through active and regular participation in sport, children who have suffered trauma are able to develop resilience and show no signs of illness.