Health risks linked with mobile phone use

Mobile or cellphones are now-a-days an integral part of our daily life. As billions of people use mobile phones globally, a small increase in the incidence of adverse effects on health could have major public health implications on long term basis. This apart, the number of cellphone calls per day, the length of each call and the time people use cellphones are important factors which enhance the health-related risk.

Mobile phones emit radiofrequency energy, a form of non-ionizing electromagnetic radiation, which can be absorbed by tissues close to the phone. The radiofrequency energy a mobile phone user is exposed to depend on several factors like the technology of the phone, the distance between the phone and the user, the extent and type of mobile phone use and the user’s distance from cellphone towers.

In 2011, International Agency for Research on Cancer (IARC) classified mobile phone radiation possibly carcinogenic, means that there ‘could be some risk’ of carcinogenicity, so additional research into the long-term, heavy use of mobile phones needs to be conducted.

While an increased risk of brain tumours from the use of mobile phones is not established, the increasing use of mobile phones and the lack of data for mobile phone use over time periods longer than 15 years warrant further research of mobile phone use and brain cancer risk. In particular, with the recent popularity of mobile phone use among younger people, potentially longer lifetime of exposure, WHO has promoted further research on this group and is currently assessing the health impact of RF fields on all studied endpoints.

The American Cancer Society (ACS) says the IARC classification means that there could be some risk associated with cancer, but the evidence is not strong enough to be considered causal and needs to be investigated further. Individuals who are concerned about radiofrequency exposure can limit their exposure, including using an ear piece and limiting cell phone use, especially in children.

More studies are underway to try to confirm these findings. When mobile phones are used very close to some medical devices (including pacemakers, implantable defibrillators, and certain hearing aids) there is the possibility of causing interference with their operation. There is also the potential of interference between mobile phones signals and aircraft electronics. Some countries have licensed mobile phone use on aircraft during flight using systems that control the phone output power.

Scientific study has shown an increased risk of traffic accidents when mobile phones are used while driving due to distraction.

Children have the potential to be at greater risk than adults for developing brain cancer from cell phones. Their nervous systems are still developing and therefore more vulnerable to factors that may cause cancer.

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