When you are physically active , your mind is distracted from daily stressors . This can _____help__ you avoid getting bogged down by negative thoughts . Exercise reduces the ____levels__ of stress hormones in your body . At the same time , it stimulates producation __of____ endorphins . These are natural mood lifters that __can___ keep stress and depression at bay . Endorphins may even leave you feeling __more___ relaxed and optimistic after a hard workout . Experts agree that more quality research is needed todetermine the relationship __between___ sports and depression .