exercise has a positive impact on a human 's health
one_way_to_maintain_good_health is not exercise. one_way_to_maintain_good_health is exercise. exercise is one_way_to_maintain_good_health. one_effect_of_running is better_physical_fitness. exercise is activity_to_maintain_health. humans has exercise one_effect_of_running is not better_physical_fitness. exercise is not activity_to_maintain_health. exercise is not one_way_to_maintain_good_health. humans has not exercise