“…If the focus on exercise or the amount of exercise exceeds a certain level, the risk of physical overload and injury and/or psychological and social difficulties increase, as a result of great physiological and psychological demands on the individual, as well as conflicting time demands within other domains of daily life [ 1 , 4 , 30 ], Exactly how much exercise constitutes an excessive amount seems to vary between individuals, depending on the purpose of training [ 30 , 31 , 32 , 33 ], the individual’s age, their total stress in life [ 34 , 35 , 36 ], their gender [ 35 , 37 ], culture [ 38 , 39 ], exercise experience symptoms [ 40 ], and the context the activity is performed within [ 41 , 42 ]. Studies on larger populations have found that more than six hours’ weekly exercise increases the risk of exercise dependence [ 10 , 32 ], with a particular risk being associated with exercise levels above 10 to 12 h per week [ 8 , 36 , 43 ].…”