Answer:
they are still developing as adults .
MR CHAIRMAN, PANEL OF JUDGES , ACCURATE TIME KEEPER AND SO ON
TEENS SHOULDN'T DANGEROUS SPORTS BECAUSE THEY ARE STILL DEVELOPING AND IN PUBERTY AGE SO IF THERE IS ANY INTERNAL INJURY WHILE PLAYING IT WILL BE AFFECTING THEM LATER IN LIFE.
WITH THIS AMAZING POINT OF MINE YOU WILL AGREE WITH ME THAT TEENS SHOULDN'T PLAY DANGEROUS SPORTS.
THANK YOU AND GOD BLESS YOU