comparing 100 cell phone users to those who didn't use them, those who used their phones for more than 60 minutes per day for over 4 years had a noticeable loss of hearing at higher frequencies. Signs of damage include warming of the ear or a sense of fullness or ringing. From Rochester - Unfortunately, many who have suffered from a heart attack are not being referred to cardiac rehabilitation, despite the fact that it can lower the chance of death from another heart attack by 25%. ...
http://www.youtube.com/watch?v=uNXpr5Q9ByI&hl=en
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