A man speaks on his cellphone as he sits on a pavement in New Delhi, India, Wednesday, June 1, 2011. A respected international panel of scientists says cellphones are possible cancer-causing agents, ... more 
A man speaks on his cellphone as he sits on a pavement in New Delhi, India, Wednesday, June 1, 2011. A respected international panel of scientists says cellphones are possible cancer-causing agents, putting them in the same category as the pesticide DDT, gasoline engine exhaust and coffee. The classification was issued Tuesday in Lyon, France, by the International Agency for Research on Cancer after a review of dozens of published studies. less 
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Associated Press | Photo By Tsering Topgyal
Wed, Jun 1, 2011 10:50 AM EDT