The biggest study to date into the effects of mobile-phone usage on long-term health was launched on Thursday, aiming to track at least a quarter of a million of people in five European countries for up to 30 years.
The Cohort Study on Mobile Communications (COSMOS) differs from previous attempts to examine links between cellphone use and diseases such as cancer and neurological disorders in that it will follow users’ behavior in real time.
Most other large-scale studies have centered around asking people already suffering from cancer or other diseases about their previous mobile-phone use. They have also been shorter, since cellphones have only been widely used for about a decade.
“One of the limitations of research to date is that when you ask people about their mobile phone use say five years ago there’s a lot of error,” said Jack Rowley, director of research and sustainability at industry body the GSM Association.
About 5 billion mobile phones are in use worldwide.
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