"Can cell phones cause brain cancer?" That's the question my editor asked me as I talked to him on my cellular phone while walking a Manhattan street last week. Looking around, I counted almost one in five people similarly engaged in conversations on their cell phones. ABC's TV newsmagazine, 20/20, it seems, had just done a special report on the issue, once again fanning concerns that cell phones can cause cancer. He wanted to know what I thought.
People have long been concerned about the cancer-causing potential of microwaves, which at a distance are harmless, but when close to the head...