Cell Phone Use Study Sees Increased Cancer Risk
Dotnaught writes "Frequent cell phone users face a 50% greater risk of developing tumors in the salivary glands than those who don't use cell phones, according to a recently published study. The study, led by Tel Aviv University epidemiologist Dr. Siegal Sadetzki, appeared last December in the American Journal of Epidemiology 'Sadetzki's findings are sure to add to confusion surrounding the already contentious debate about the health effects of cell phone radiation. Many other studies in recent years have found no increased risk of cancer due to mobile phone use, but a few have stopped short of ruling the possibility out and a few have said increased risk of cancer is small but real.'. Even with the increased risk, however, you're still about three times more likely to die in a car crash in a given year."
- None can love freedom heartily, but good men; the rest love not freedom, but license. -- John Milton
I'm skeptical about these statistics: 500 tumour patients and 1300 control subjects can't really support a probability of 0.003% and 0.0045% for each outcome, can they? I reckon that these numbers are less likely than the false-positive error for their data set.
Well, a quick google search turned up that a cell phone has about a 1 watt transmitter. A Bluetooth class 1 transmitter has a power output of about 100mw, but this is unlikely to be in a cell phone. Class 2 and 3 only transmit with 2.5mW and 1mW respectively. So, at worst, the bluetooth headsets are 10x less energetic than the cell phone's transmission and more likely down around 500-1000x less energetic. I'd fear bluetooth far less (about a 500x less ;-) ) than I would fear a cell phone, which isn't much to begin with.
Necessity is the mother of invention.
Laziness is the father.