WASHINGTON (Reuters) - Using a cellular phone does not increase a person's risk of cancer, according to a broad study released on Tuesday involving more than 400,000 Danish cellular telephone users. A team of researchers used data on the entire population of Denmark to determine that neither short- nor long-term use of cellular phones, also called mobile phones, was linked to a greater risk of tumors of the brain and nervous system, salivary gland or eyes, leukemia or cancer overall. More →