People have cell phones everywhere, especially teenagers. Teenagers are glued to their cell phones; they need cell phones almost everywhere they go. Today, teenagers depend on their phones for everything. The number of cell phone users has increased, and in 2010 there were more than 303 million subscribers in the United States, according to the Cell Phone Companies (Hanna). Due to excessive use of cell phones, adolescents experience emotional, social, and physical impacts. One of the ways teens are affected by excessive cell phone use is emotionally. A study by Adriana Bianchi and James G. Phillips showed that the more teens use their phones, the more likely they are to be anxious, depressed, and have low self-esteem (“Center on Media and Child Health”) . In a study led by Thomée, researchers found that cell phone use led to mental health problems in young adults. Both men and women were affected emotionally. For men in the study, heavy cell phone use caused sleep problems and for women, it caused depression. Teenagers are using phones more often than in the past, leading to more emotional problems. Jacob Barkley, an associate professor at Kent State University, found that students spent nearly 5 hours a day using their cell phones and sent about 77 text messages. He also found that the more students used their cell phones, the more anxious they became because they felt obligated to stay constantly connected to social media (“Avid Cell Phone Users Suffer Anxiety: Study”). As teens use their phones more often, it can cause more anxiety and other emotional problems. Cell phone use also impacts adolescents socially. Today's cell phones allow teens to access ... middle of paper ... their family's rules. Works CitedChillers, MJ. Parker, MB "The Social Impact of Mobile Phones on Adolescents" Faculty of Computer Science and Design Cape Peninsula University of Technology, Web. February 24, 2014. Cape Town, South Africa. Geser, Hans “Cell Phone Adoption by Preadolescents: Implications for Later Patterns of Phone Use and Involvement.” Web.February 24, 2014Hanna, Jeff. “The Wand L Psychology Project Examines Cell Phone Use and Adolescent Health” Web.February 24, 2014Hargens-Bradley, Tamara “Help Your Teen Be “Smart” About Cell Phone Use at Night » Web. February 25, 2014National Cancer Institute “Cell phones and cancer risk” Web. February 25, 2014 Ravidchardaran, SV "Cell phones and adolescents". 2009, New Zealand.Web. February 25, 2014 “The disadvantages of cell phones”. Center on Media and Children's Health .