Are the Kids Not as Fit as They Used to Be?

There's a study on this at camp cad is a little but dated. It was published in two thousand and seven, so it only runs up to about two thousand and three. Between 19 the late fifties and the 19 70 the performance got better. The kids were getting better at doing these arabic runs. This is six to 18 by the rot. And then from 19 70 onwards, it starts getting worse and worse and worse. So i don't think it's rocket scientist to surmise there's probably a few complex interplays,. But there the conclusion of this particular paper is this decline may result from a network of social behavior, physical, psycho social and physiological factors