I found some curious notices but here's a good example:
Heavy use of mobile phones can damage sperm
(Daily Express, Great Britain, 24th October '06, by consumer Correspondent Graham Hiscott)
Under the headline: "Superphone that will make life easier" the following news appeared at the end of the article:
"Heavy use of a mobile phone can damage sperm, according to new research in the United states. A study into men with fertility problems showed that those who used the a mobile for more than four hours a day had a lower sperm count."
Read more about "Cell Phones May Affect Male Fertility" at http://omega.twoday.net/stories/2996232/
I have to be careful when I push my mobil phone in my pocket!