A study claims cell phones increase risk of brain cancer by 170%,But radiation expert Dariusz Leszczynski argues that can't be trueThis is a question any mobile phone user would take so serious to have answered – and science does offer some clues.
In 2011, the International Agency for Research on Cancer (IARC) classified mobile phone radiation as a possible human carcinogen, group 2B.
The classification was based predominantly on evidence from population studies.
A study by the European Union-funded INTERPHONE group and another led by L. Hardell, a Swedish epidemiologist, showed an increased risk (40-170 per cent) of developing glioma, a malignant brain cancer, in people who used a mobile phone for 30 minutes a day over ten years.
The idea of mobile phone radiation increasing the risk of cancer was strengthened by two other studies.
The Cerenat study, published in 2013, confirmed observations of the INTERPHONE and Hardell studies.
And an animal study in 2015 showed cell phone radiation enhanced the carcinogenic effects of chemicals.
This evidence indicates that mobile phone radiation might indeed be 'possibly carcinogenic' (IARC's group 2B) or even 'probably carcinogenic' (IARC's group 2A) to humans.
Symptoms Of Brain Cancer
While many of benign brain tumors are gliomas, almost 80 per cent of malignant brain tumors are gliomas.
The study about cell phones focused on gliomas.
According to the American Cancer Society, there are three types of gliomas, including astrocytomas, oligodendrogliomas, and ependymomas.
Symptoms of a glioma are similar to those produced by other malignant brain tumors and depend on the area of the brain affected.
The most common symptom is a headache, affecting about half of all people with a brain tumor.
Other symptoms can include:
Loss of muscle control
These symptoms may change, according to which part of the brain is affected.
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