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Case control analysis of non Hodgkins lymphoma (n = 551, as part of the larger SEER program, including regions in Iowa, metropolitan Detroit, Los Angeles, and greater Seattle) and mobile phone use. Users were considered regular users by using the phone > 100 times. A statistically significant increase in unspecified non-Hodgkins lymphoma (OR = 4.4, 95% CI ) was reported in men with the longest duration of phoen use, although this finding was based on only 7 cases and did not follow a dose response. The authors also report a statistically reduced risk of cancer in users with 3-5 yrs of exposure. No effects in women, or in men with folicular, difuse large B-cell, or other specified NHL subtypes was reported. Importantly, the authors found < 5% of the US population (those questioned) reported mobile phone use of greater than 6 years. The authors conclude that the present data and weight of evidence suggest RF-linked adverse health effects are unlikely. They also reported no correlation with either car-phones or cordless phones and NHL endpoints |