1. HEARING LOSS AMONG TEENAGERS NOZIMA NIYOZOVA DR.COHEN 01/11/12

2. NOISE SOURCES

3. PHYSIOLOGY OF THE EAR AND HEARING

4. Normal Hair Cells Damaged Hair Cells

5. COMMON FORMS OF HEARING LOSS  Conductive Hearing Loss  Sensorineural Hearing Loss  Mixed Hearing Loss

6. DB: WHAT IS A DECIBEL? o Used to measure sound level o A logarithmic unit used to describe a ratio Logarithmic Scale

7. HOW TO KNOW IF LOUD SOUND MAY BE HURTING EARS ?  Ringing  Buzzing  Fluttering

8. WHAT TO DO TO LISTEN LONGER?  Limit your exposure to sounds of 85 dB or less  Take 15-minute “quiet” breaks

9. NOISE EXPOSURE CHART

10. PHYSICAL PROJECT

12. CALL TO ACTION  Free Hearing Test at House Research Institute

13. WORK CITED Carollo, Kim. "Hearing Loss Among Teens More Prevalent - ABC News." ABCNews.com: Daily News, Breaking News and Video Broadcasts - ABC News. ABC News Medical Unit, 17 Aug. 2010. Web. 30 Nov. 2011.. Maugh II, Thomas H. "Hearing Loss In Teenagers | Can You Hear Me Now? More Teens Can't - Los Angeles Times." Featured Articles From The Los Angeles Times. Los Angeles Times, 18 Aug. 2010. Web. 30 Nov. 2011.. Presnikoff. "Digital Music News - Hearing Loss Among Teenagers Has Doubled Since 1985..." Digital Music News - Home. Digital Music News, 5 July 2011. Web. 30 Nov. 2011.. Rabin, Roni Caryn. "Childhood - Hearing Loss Grows Among Teenagers - NYTimes.com." The New York Times - Breaking News, World News & Multimedia. The New York Times, 23 Aug. 2010. Web. 30 Nov. 2011.. Winerman, Lea. "Study: Hearing Loss Up Among Teens| The Rundown News Blog | PBS NewsHour | PBS." PBS: Public Broadcasting Service. PBS Newshour, 17 Aug. 2010. Web. 30 Nov. 2011.. Park, Alice. "IPod Safety: Preventing Hearing Loss in Teens - TIME." Breaking News, Analysis, Politics, Blogs, News Photos, Video, Tech Reviews - TIME.com. Time Health, 21 Feb. 2009. Web. 30 Nov. 2011..