May 31, 2011

The World Health Organization classified cell phone radiation as possibly carcinogenic to humans (Group 2B), indicating a potential risk, but not a definitive link between exposure to radiation from wireless phones and increased cancer risk.


Lyon, France | World Health Organization

Watercolor painting based depiction of The World Health Organization classified cell phone radiation as possibly carcinogenic to humans (Group 2B), indicating a potential risk, but not a definitive link between exposure to radiation from wireless phones and increased cancer risk. (2011)

WHO Classifies Cell Phone Radiation as Possibly Carcinogenic

On May 31, 2011, the World Health Organization (WHO), through its International Agency for Research on Cancer (IARC), classified radiofrequency electromagnetic fields as possibly carcinogenic to humans (Group 2B). This decision indicated a potential risk that exposure to radiation from wireless phones could be linked to cancer, though it did not establish a definitive connection.

Context and Background

The classification emerged from a week-long meeting of 31 scientists from 14 countries who assessed peer-reviewed studies on the safety of mobile phone use and other sources of radiofrequency electromagnetic fields. This comprehensive evaluation was initiated due to growing public concerns about the widespread use of mobile phones and the potential long-term health impacts associated with their electromagnetic fields.

Key Findings

  • The IARC working group concluded that while there was limited evidence suggesting an increased risk for glioma, a malignant type of brain cancer, associated with wireless phone use, the evidence was not conclusive enough to establish a causal relationship.
  • Prior to this announcement, studies produced mixed results, with some research showing a slight increase in cancer risk and others showing no significant link.
  • The classification into Group 2B implies that there is some evidence for the carcinogenicity in humans, yet it is not sufficient to be considered a definitive hazard.

Implications

  • The inclusion of radiofrequency electromagnetic fields in Group 2B prompted enhanced research efforts focused on understanding long-term exposure effects.
  • It led to increased public awareness and prompted discussions on legislation regarding mobile phone usage guidelines and safety standards.
  • The IARC classification supported the implementation of simple measures to reduce exposure, such as using hands-free devices or texting instead of calling.

Broader Significance

The WHO’s classification remains significant, as it underscores the importance of continuous research into technologies that influence daily life extensively. It also exemplifies how scientific agencies assess emerging health risks and balance technological advancements with public health concerns. The decision highlighted the necessity for ongoing monitoring and rigorous scientific inquiry into the health impacts of new technologies.

This classification bears witness to the WHO’s commitment to public health safety and serves as a critical reminder of the need for informed usage of developing technologies.

Source: www.who.int