Monday July 14, 2008 (foodconsumer.org) -- Using cellular
phones may increase risk of tumors of the parotid gland, according to a new
study in the American Journal of Epidemiology.
The study showed that those who used cellular phones more frequently
were at a 50 percent higher risk of developing tumors of the parotid gland
compared to those who uses less frequently.
For the study, researchers at the Chaim Sheba Medical Center
in Israel examined data on 402 cases of benign and 58 cases of malignant tumors
of the parotid gland.
Israel is a country where cell phones are very commonly
used.
They found using cell phones for more than 22 hours per
month was associated with a 50 percent higher risk of parotid gland tumors.
The increased risk was found among those who always held the
phone to the same ear, who did not use handheld devices or who lived in rural
areas.
Tumors more often developed on the side cell phones were
used.
Studies of the impact of cell phones on the tumor risk are
inconsistent. Often long term studies tended to result in positive effects
while short term studies generated negative effects.
Using cell phones has been found to be associated with increased
risk of glioma, a brain tumor and acoustic neuroma.
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