New research published today suggests heavy phone usage in rural areas can increase a caller's risk of developing tumors. The risk increased when users kept the phone close to one ear and did not use hands free devices.
Of the 1,266 people studied, those who talked on their cell phones for more than 22 hours a month were at 50 percent higher risk of developing tumors in their salivary glands, also called parotid gland tumors.
This may be cause for ringing an alarm considering worldwide mobile subscriptions have reached 3.3 billion.
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