People think children should play sports. Sports are fun, and children keep healthy while playing with others. However, playing sports can have   1   effects on children. It may produce feelings of   2   self-respect or aggressive behavior in some children. According to research on kids and sports, 40,000,000 kids play sports in the US. Of these,18,000,000 say they have been   3  at or called names while playing sports. This leaves many children with a bad   4  of sports. They think sports are just too aggressive.
    Many researchers believe adults,   5  parents and coaches, are the main cause of too much aggression in children’s sports. They believe children   6   aggressive adult behavior. This behavior is then further  7  through both positive and negative feedback. Parents and coaches are powerful teachers because children usually look up to them. Often these adults behave aggressively themselves, sending children the message that   8   is everything. Many parents go to children’s sporting events and shout insults at other players or cheer when their child behaves   9  . As well, children are even taught that hurting other players is   10   or are pushed to continue playing even when they are injured. In addition, the media makes violence seem exciting. Children watch adult sports games and see  11  behavior replayed over and over on television.