<html> <head> <style> .hmmessage P { margin:0px; padding:0px } body.hmmessage { FONT-SIZE: 10pt; FONT-FAMILY:Tahoma } </style> </head> <body class='hmmessage'> <H1>Good Questions, John.</H1> I will try to find out more about the research paper itself.  It is not available on the audiology website, just the announcement below.  Will try to find a way to get the paper.   Diane <H1>Cell Phone Use Causes High Frequency Hearing Loss</H1>John Formsma <A title="Cell Phone Use Causes High Frequency Hearing Loss" href="mailto:pianotech%40ptg.org?Subject=Cell%20Phone%20Use%20Causes%20High%20Frequency%20Hearing%20Loss&In-Reply-To=BLU121-W121C3BC54913D9514D7AD5A38D0%40phx.gbl">formsma at gmail.com </A> Thu Nov 1 19:33:45 MST 2007 <PRE>I didn't want to register for site access...could you tell us: If it's related to radio waves? And if so, what frequencies are worse? Is there a daily amount of use which causes little to no damage? Does using earphones eliminate the risk of hearing loss? Thanks, JF On 11/1/07, Diane Hofstetter <<A href="https://www.moypiano.com/resources/#archives">dianepianotuner at msn.com</A>> wrote: > > > Everyone who uses a cell probably uses earphones too, but to be on the safe > side... > > (Found this on Audiologyonline, an audiological website. Audiologists > consider high frequencies to be 1000Hz. and above) > > > 11/1/2007 > > Cell Phone Use Causes High Frequency Hearing Loss > > > Newswise — Hold the phone – long-term use of a cell phone may cause inner > ear damage and can lead to high frequency hearing loss, according to a new > study. > > According to research presented at the American Academy of > Otolaryngology-Head and Neck Surgery Foundation's Annual Meeting & OTO EXPO > in Washington, DC, 100 people who had used mobile phones for over a year > suffered increases in the degree of hearing loss over the span of 12 months. > Furthermore, the study also discovered that people who used their phones for > more than 60 minutes a day had a worse hearing threshold than those with > less use. > > High frequency hearing loss is characterized by the loss of ability to hear > consonants such as s, f, t, and z, even though vowels can be heard normally. > Consequently, people hear sounds but cannot make out what is being said. > > The authors warn users of cell phones to look out for ear symptoms such as > ear warmth, ear fullness, and ringing in the ears (tinnitus) as early > warning signs that you may have an auditory abnormality. They also suggest > the use of earphones, which they found to be safer than holding a mobile > phone up to the ears. > > Taken from www.newswise.com/articles/view/533259/ > > > Diane Hofstetter > </PRE> Diane Hofstetter</body> </html>