Public health concerns public safety and its purpose is to protect the health of the population. “Promoting a healthy lifestyle, seeking the prevention of illnesses and injuries” is the responsibility of public health. The Department of Public Health recommends the elimination of any negative influences that may 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 fair distribution of these values ​​is still questionable. However, it is not possible to guarantee comprehensive healthcare for everyone. This essay will attempt to provide sufficient information to demonstrate the extent to which sport is a public health issue. The first part of this essay presents the positive aspects of sport that contribute to making the population physically and mentally healthier. It will shed light on diseases and how to prevent them. The second section refers to the unhealthy environment that occurs in sports. It will outline the destructive tendencies of its participants' harmful behavior. The third part focuses on the value of research and the important position of public health sectors to skillfully raise awareness of the 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 Shouldn't Be Banned"? Get an original essay Regular physical activity plays an important role in eliminating and controlling diseases. Participation in sport has many positive outcomes, for example, intense physical effort and cardiorespiratory fitness offer positive effects on adolescent health. Prevents chronic diseases, reduces the risk of premature death. Physical activity in free time, aerobic exercise, contributes to well-being in different age groups and genders. It also improves quality of life and prevents stress and depression. “Doing sports can be perceived as a form of physical and mental training that stimulates a healthy body and mind. “Aerobic exercise reduces heart disease and stroke, obesity, diabetes, hypertension and high cholesterol. It also improves bone density, lung function, body image and self-esteem. Regular physical activity likely reduces the risk of cancer (breast and colon), osteoporosis and metabolic syndrome. It significantly leads to a better perception of the subjective image of health. Even brisk walking for a few hours a week reduces nonfatal or fatal myocardial infarction. According to Berg, sport participants value hedonic rewards and the opportunity to interact with others more than athletic body images. Personal satisfaction and increased energy give satisfactory results and are more appreciated by participants. Sport involves social interaction and a feeling of belonging. Reduces alienation between children and adults. Sports and physical activity programs offer many opportunities; therefore, it creates a larger cycle of a healthier nation mentally and physically. It motivates personal development through physical and mental stimulation, acquiring new skills, reducing obesity and other diseases. According to Public Health Wales, through active and regular participation in sport, children who have experienced trauma are able to develop resilience and show no signs of mental illness in adulthood. Managers and mentors tend to abuse their power and create an unhealthy environment for their peers. Corruption (FIFA scandal), doping substances (among athletes), alcohol (alcohol sponsorship in sport increases consumption.