Nowadays, mobile phone has become almost a bodily appendage - should be regarded with caution by its users. According to an international study by World Health Organization’s International Agency on the possible link between cancer and the long-term use of cellular telephones, heavy users of wireless mobile phones face increased risks of developing severe brain tumors. Study found that people who speak on their handset for more than half an hour a day for over 10 years are at risk of brain tumor. A long - awaited international study has been carried out to find the health risks of heavy usage of mobile phones.

The mobile phone study project was the largest study such ever. The study involved more than 12,800 people worldwide including over 5,000 with brain tumors. No clear-cut increase in risk for cellphone users has been shown by results, but was less than conclusive. Dr. Christopher Wild, director of the International Agency for Research on Cancer (IARC) said, “An increased risk of brain cancer is not established from the data from Interphone. However, observations at the highest level of cumulative call time and the changing patterns of mobile phone use since the period studied by Interphone, particularly in young people, mean that further investigation of mobile phone use and brain cancer risk is merited.”

The world’s biggest study of the health effects of mobile phones is an interview-based and case-control study in adults. The study focuses on the two main types of brain tumor, glioma and meningioma. The 10 year study found that there was no increased risk of cancer overall, those in the top 10 per cent of phone use are up to 40 per cent more likely to develop glioma, a common type of brain cancer. To put participants into the top 10 per cent category in the study, just 30 minutes of mobile talk time daily was enough. The study was coordinated by the WHO’s International Agency for Research on Cancer (IARC) and carried out in 13 countries including Australia, and New Zealand.

The study has repetitively postponed its publication, summarized the findings by saying there were “suggestions of an increased risk of glioma, and much less so meningioma, in the highest deciles (10 per cent) of cumulative call time, in subjects who reported phone use on the same side of the head as their tumour”. Also, it added that “biases and errors limit the strength of the conclusions that can be drawn and prevent a causal interpretation”.

However, the study watched only the effects of mobile phone on adults, while most concern has centered around the effects on children. John Walls, vice president of public affairs for CTIA-The Wireless Association, one of the sponsors of the report said, “All cell phones sold in the US must comply with the FCC’s radiofrequency exposure standards, which are designed to include a substantial margin of safety for consumers. Numerous experts and government health and safety organizations around the world have reviewed the existing database of studies and ongoing research and concluded that RF products meeting established safety guidelines pose no known health risk."

Heavy Mobile Phone Usage Increases Cancer Risk:

Heavy users of mobile phones have a 240 percent raised risk of developing a malignant tumor on the side of the head where they press the phone to their ear, according to Kjell Hansson Mild, who led the study. The study defines “heavy use” as 2,000 hours of mobile phone use in the course of a decade, which "corresponds to 10 years' use in the work place for one hour per day." 905 of the 2,200 cancer patients who ranged in age from 20 to 80 years old in the study had a malignant brain tumor. Just, under one-tenth patients of that number were heavy mobile phone users.

The authors of the study said in a statement issued by the Institute, “Of these 905 cases, 85 were so-called high users of mobile phones, that is they began early to use mobile and/or wireless telephones and used them a lot.” Also, the study concluded that people, who started using a mobile phone before age 20, are also at greater risk of developing a malignant brain tumor. Other factors such as smoking habits, working history and exposure to other known cancer-causing agents are also accounted by study.

To lower their risk of cancer related to mobile phones:

For customers to lower their risk of cancer linked to mobile phones, the best ways are to use their wireless phones less frequently and to utilize handsfree options when they do make or receive mobile calls. Hansson Mild said that the research report about the study is not planned to cause public alarm or to increase concerns about extensive risk for the majority of people who use mobile phones. He said in an interview with Dow Jones, “It does however give reason to use caution when calling on wireless phones. Use handsfree and avoid wireless when possible.”

Swedish Study Ruptures New Ground:

To show a significant link between long-term mobile phone use and cancer, Swedish study is the first. No evidence has been found by previous studies that radiation from mobile phones is harmful, but those earlier studies looked at mobile phone use among fewer people over a shorter time. The Swedish study is the largest study and also people in Sweden have been using mobile phones since 1984, longer than people in many other countries. Therefore, receiving a large sample of people who have been using mobile phones for a long time was relatively easy.

Can Cell Phones Cause Brain Tumors? See video from youtube:

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