To help encourage positive and healthy cognitive growth in your teen, you can: Include him or her in discussions about a variety of topics, issues, and current events. Encourage your child to share ideas and thoughts with you. Encourage your teen to think independently and develop his or her own ideas. More @Wikipedia
Hover over any link to get a description of the article. Please note that search keywords are sometimes hidden within the full article and don't appear in the description or title.