My life and My cell phones

YourLooks

I have recently read some articles about cell phones' harms, and right just about 3 minutes ago, I also read Sweet & Intellectual's thread below and now that really confirms my fear of cell phones thingys...I change my cell phones monthly because my job is actually related much to phonies, this month I pay 53666 yens ($530). I call and answer a lot in a day. Many months later, will I get sick ? I am worried...
Thank you

Note, invoice tells me that I must pay only 53665 yens but I think 6 is a beautiful number, I give NTTdocomo another 1 yen to get 6.