It depends. If you're driving and talking on one of them, you're at a much higher risk of having a car accident--read that harmful.
If you're one of those loud folks who insist on talking on their cell phone at a concert, or in a movie theater, you could be at MAJOR risk of bodily harm from others in your vicinity--again, read that harmful...
Terrorists have now developed a trick for taking a cell phone, attaching it to the detonation circuit for a home made bomb, and then using its ring (when they call it) to set off a bomb. Read that REALLY, REALLY harmful!
ON the other hand, when I'm out doing some errand running, or just out away from everyone and the hospital pages me, it can be lifesaving. Read that helpful.
So, like most things, it is a little of both, depending on how it is used, where it is used, the motivation behind its use, and the like...
2006-07-08 14:21:26
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answer #1
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answered by gandalf 4
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They are both. You need to balance benefits and risks. This transcript might help you to think it through:
http://www.abc.net.au/rn/scienceshow/stories/2002/736667.htm
2006-07-12 22:28:40
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answer #2
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answered by J_F_(Self Service Science Forum) 4
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