Title : Cell Phones Could Increase Cancer Risk
link : Cell Phones Could Increase Cancer Risk
Cell Phones Could Increase Cancer Risk
Scientists have long been concerned about the harmful posibleefectos phone usage Regular cell, but until now no study halogrado produce clear results. Today, cell phones carcinogenic category 2b clasificancomo - potentially carcinogenic to humans - by the International Agency for Research on Cancer (IARC). A new Tel Aviv University study, however, may bring bad news.
To further explore the relationship between rates of cancer and cell phone use Dr. Yaniv Hamzany of University of Tel Aviv 's Sackler Faculty of Medicine and the Department of Surgery of Head and Neck Otolaryngology at the Medical RabinCentro, looked for clues in the saliva of celulares.Dado phone users that the cell phone is placed near the salivary gland when it is in use, he and his fellow researchers, including departmental colleagues Profs. Raphael Feinmesser Thomas Shpitzer and Dr. Gideon Bahar Prof. Rafi Nagler and Dr. Moshe Gavish and the Technion in Haifa, the hypothesis that salivary content could reveal whether there unaconexión with the development of cancer.
Comparing heavy users of mobile phones with nonusers, which found that the saliva of large consumers showed signs of oxidative mayorestrés - a process that damages all aspects of a human cell, including DNA - through the development of toxic peroxide radical GoodsOutdoor. More importantly, it is considered a major risk factor paracáncer.
The findings are published in the journal Antioxidants and Redox Signaling .
putting stress on the tissues and glands
For the study, researchers examined the salivacontenido of 20 patients for the heavy user, defined as talking on their teléfonospor a minimum of eight hours per month. Most participants seem to be much, Dr. Hamzany says as much as 30 to 40 hours per month. his salivalescontenido was compared with a control group, which consisted of deaf patients who either do not use a cell phone, or use the dispositivoexclusivamente for sending text messages and other nonverbal functions.
Compared with the control group, the pesadalos cell phone users had a significant increase in oxidative stress all salivalmediciones studied.
"This suggests that there is considerable tension oxidativola in the tissues and glands are close to the cuandoen cell phone use," he says. The damage caused by oxidative stress is linked cellular and genetic amutaciones that cause the development of tumors.
Making connection
This field of research reflects the long-standing concern about the impact of cell phone use, specifically the effects deradiofrecuencia non-ionizing electromagnetic radiation in the tissue humanosituado near the ear, the researchers say. And although estosLos results do not find a "cause and effect" concluyentesentre the use of cell phones and cancer, adding to evidence building that cell phone use may be harmful in the long term, and point to a new direction for further research.
One possible way of future research would be the deanalizar the saliva of a person before exposure to a cell phone, and new luegode after several intense minutes of exposure. This permitirálos researchers to see if there is an immediate response, such as increased lamoléculas indicating oxidative stress, says Dr. Hamzany.
University of Tel Aviv
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