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Cell Phones May Weaken Bones
Lunes 28 de marzo de 2011 · 1023 lecturas
Cell Phones May Weaken Bones
By Emily Anderson | Fri Mar 25, 2011 11:28 am
Radiation from cell phones may weaken the bones of men who regularly wear their handsets on their belts, according to new study, providing another entry in the long and conflicting research of mobile phone health risks.
Dr. Fernando Sravi of Argentina’s National University of Cuyo found men who routinely wear their cell phones on their right hips had reduced bone mineral content and reduced bone mineral density in the area of that same hip, but not the left one.
"The different patterns of right-left asymmetry in femoral bone mineral found in mobile cell phone users and non-users are consistent with a non-thermal effect of electromagnetic radiofrequency waves not previously described," Sravi said.
Readings for the hip bone itself were not significantly different for the 48 men who were included in the year-long study — half wore cell phones on their hips and half did not. However, the men who wore cell phones had lower bone mineral content readings near the top of the leg — in their right lower femoral neck — and the top of the outer thigh — in the right trochanter — than the other men.
The researchers have said they believe the study indicates men who wear cell phones at their hips will have a greater risk of developing osteoporosis or other bone diseases.
The study adds a wrinkle to the often conflicting amount of information on the impact of cell phones on health. The most common health concern about cell phones for years has been the possibility they increase the risk of brain tumors of cancer. Studies looking for an effect have found conflicting results. To provide useful results, studies must follow large numbers of people over long periods of time, and uncontrolled variables make results difficult to interpret.
Sravi and his researchers have yet to study bone density and content discrepancies among women and children or study the issue with a larger group.
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