I think so. I don't think any child should have restrictions as to there lives. Even disabled ones.
In contact sports yes
Less than 20%
football
Hockey
extreme walking
85% of teenagers play sports.
No, if anything, sports build character to teenagers. Teaches them about teamwork. Teaches them on how to deal with adverse situations, like losing or making a bad decision.
get a player and train him
It depends on the teenagers: if they eat too much sweets and hardly ever do sports or eat a balanced diet. Most teenagers are healthy, BUT there is a quite high number of unhealthy teenagers. Otherwise, there are more healthy teenagers!
basket ball player
Um... apparently, it's like Sports Illustrated Kids, but for teenagers.
Yes