According to Temple University, “psychologists used functional magnetic resonance imaging scans on 40 adolescents and adults to determine whether there are differences in brain activity when adolescents are alone or with their friends. The findings suggest that peer pressure in adolescents has a distinct effect on brain signals involving risk and reward, helping to explain why young people are more likely to misbehave and take risks when their friends do so. look. It is well known that peer pressure is one of the main reasons why adolescents engage in theft and sometimes fall into drug addiction. This has a major impact on adolescents. There are different types of peer pressure. There are those that can be negative, which are the most common, and there are the positive types that people rarely recognize but do exist. There are ways to prevent this from affecting you. Teenagers need to find a way to reject peer pressure. On average, almost all American teenagers have faced peer pressure in one way or another. Adolescent influence is affected by the fact that the majority of young adults suffer from it at some point in their lives. Jeanie Lerche Davis, an author who also wrote an article on why teenagers rebel, expressed the effects of peer pressure: "Statistics prove that 30% of teenagers have shoplifted at least once times because of peer pressure. More than half of adolescents will experiment with alcohol. About 40% of adolescents have tried drugs. Many teenagers face this pressure on a daily basis. They have difficulty getting out of these situations. Your average teenager has also pressured others to do the same without even realizing it. This is called indirect peer pressure. You might be afraid of being teased, excluded, or embarrassed. says Christopher Pepper, author of the article: "Your decisions...... middle of paper ...... http://web.a.ebscohost.com/ehost/detail?vid=4&sid=be085f50- 81c9 -469f-b752-d6dbb4436e48%40sessionmgr4005&hid=4107&bdata=JnNpdGU9ZWhvc3QtbGl2ZQ%3d%3d#db=ulh&AN=87658577Jenuhh0. “Peer pressure: the effects on adolescents.” » Teaching questions. (2009) http://text.teachingmatters.org/node/8625 “Peer pressure”. COMEC 2014. http://www.comec.org/resources-for-children-and-teens/children-and-teens-peer-pressure/“Peer Pressure.” Teens Health by Nemours 2012. http://kidshealth.org/teen/your_mind/friends/peer_pression.html “Teens, friends and bad decisions”. The New York Times 2014. http://well.blogs.nytimes.com/2011/02/03/teenagers-friends-and-bad-decisions/comment-page-4/?_php=true&_type=blogs&_r=0« Peer Pressure for teenagers in high school. Parenting teenagers doesn't have to be frustrating. 2014. http://www.parentingateenager.net/teensandpeerpression.html