Cell Phones

The draft NTP Technical Reports on rats and mice will undergo peer review by an external expert panel March 26-28, 2018. Meeting details are on the meeting webpage.

Also available: Feb 2. press release and study data on rats and mice.


Cell phones are currently used by 95 percent of American adults, according to a 2016 survey. While current scientific evidence has not conclusively linked cell phones with any health problems, NTP and other scientific organizations recognize that additional data are needed.

Therefore, NTP has conducted studies to help clarify any potential health hazards, including cancer risk, from exposure to cell phone radiofrequency radiation, and to better inform protection for public health.

The nomination for NTP to study cell phone radiofrequency radiation was made by the U.S. Food and Drug Administration (FDA) because of the following:

    • Human exposure is widespread.
    • Current exposure guidelines are based largely on protection from acute injury from thermal effects.
    • Little is known about potential health effects of long-term exposure to cell phone radiofrequency radiation.
    • Currently available human studies have found limited evidence of an increased risk of cancer from cell phone use.

Partial findings from the NTP studies were released on May 27, 2016. The complete technical reports will undergo external peer review by an expert panel in 2018. For more information about the meeting and to read the draft reports, please visit the meeting webpage.

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