A good authoritative video presentation on the health risks of microwave radiation from cell towers is available at FriendsOfAmazonCreek.org. Click on The Science, and see the video of Dr. Paul Dart's presentation. By the way, the WHO categorization is likely to be upgraded from possible carcinogen to probable carcinogen in the coming months, according to scientists in the field. And for the scientifically inclined, here's a good study on a possible mechanism of action: DNA and Chromosomal Damage in Residents Near a Mobile Phone Base Station, Int J Hum Genet, 14(3,4): 107-118 (2014). It explains how proximity to the tower was associated with amount of DNA and chromosomal damage in a well-conducted study.