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.
Less than 20%
football
The media can negatively influence teenagers by presenting high-risk behavior as enticing, while neglecting to present the consequences that come with engaging in the high-risk behaviors. Teenagers are still developing cognitively, and often have trouble realizing what consequences may result in the decisions that they make.
Hockey
extreme walking
85% of teenagers play sports.
It can have negative legal consequences. However, consuming alcohol in moderation has never been proven to have negative health consequences for teenagers.
positive: nothing negative: they're evil
It influence the lifestyle of many people most especially to teenagers.
they think of sex
There is no one specific term for a negative influence, however there are many synonyms for the word negative that can be used to correlate a negative influence. This is one example: eating fatty foods has a detrimental (negative influence) effect on heart health.
Teenagers can be healthy or unhealthy, just like adults and kids. It just depends on the influence of parents.