Why are athletes at risk of exercised-associated hyponatremia

B/c of the cold conditions they are playing or doing the activity.

Athletes are at risk of exercise-associated hypothermia because of the temperature (surroundings) of where the athlete is exercising. Also doing extreme things like doing anything in the cold that athletes have to overcome can be why they are more likely to get hypothermia.

Summary because of the cold conditions they are playing or doing the activity.