Mobile phone radiation and health

The effect of mobile phone radiation on human health is a subject of interest and study worldwide, as a result of the enormous increase in mobile phone usage throughout the world. As of 2016^[update], there were 7.4 billion subscriptions worldwide, though the actual number of users is lower as many users own multiple mobile phones. Mobile phones use electromagnetic radiation in the microwave range (450–2100 MHz). Other digital wireless systems, such as data communication networks, produce similar radiation.

Mobile phone use does not increase the risk of getting brain cancer or other head tumors.

Evidence does not support the hypothesis that mobile phone radiation has an effect on the permeability of the blood-brain barrier.

Mobile phone use does not increase the risk of getting brain cancer or other head tumors. As the United States National Cancer Institute explains: Radiofrequency energy, unlike ionizing radiation, does not cause DNA damage that can lead to cancer. Its only consistently observed biological effect in humans is tissue heating. In animal studies, it has not been found to cause cancer or to enhance the cancer-causing effects of known chemical carcinogens .

Some users of mobile phones and similar devices have reported feeling various non-specific symptoms during and after use. Studies have failed to link any of these symptoms to electromagnetic exposure. (In addition, EHS is not a recognised medical diagnosis.)

Experts consulted by France considered it was mandatory that the main antenna axis should not to be directly in front of a living place at a distance shorter than 100 metres. This recommendation was modified in 2003 to say that antennas located within a 100-metre radius of primary schools or childcare facilities should be better integrated into the cityscape and was not included in a 2005 expert report. The Agence française de sécurité sanitaire environnementale as of 2009^[update] says that there is no demonstrated short-term effect of electromagnetic fields on health, but that there are open questions for long-term effects, and that it's easy to reduce exposure via technological improvements.

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