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Are your mobile phone and other radiation-emitting products harming you?

Humans are exposed to radiation on a daily basis, either from natural sources such as the sun, rocks, soil and water, or from man-made sources that emit radiation, such as mobile phones, microwave ovens, TV sets, diagnostic x-rays and x-ray security systems. While human exposure to radiation from manmade sources is generally low and not detrimental to health, some people fear that radiation-emitting products can increase the risk of developing cancer.