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AppleInsider reports today on the World Health Organisation (WHO) study that was released this week which found that there was evidence to suggest that mobile phone radiation could be possibly carcinogenic to humans. As AppleInsider notes, this is quite the volte- face for the WHO, which has previously said that it could find no link between mobile phone usage and ill-effects on the health of humans. The new study, conducted by a team of 31 scientists, placed mobile phone use in the same carcinogenic hazard category as lead, engine exhaust, and chloroform, and suggested that further study on the matter was necessary.
As far as the iPhone is concerned, AppleInsider quotes a CNN report on a database issued by the Enviromental Working Group, which ranked the radiation levels of different mobile phone models, and which found that the iPhone sits firmly in the middle of the pack for the measurement of Specific Absorption Rate (SAR), which quantifies how much radiation the human body absorbs from the phone in question.
According to the report, the iPhone 4 had a rating of 1.17 watts per kilogram, while the iPhone 3GS had a slightly higher rating of 1.19 W/kg, and the iPhone 3G had a much lower rating of 1.03 W/kg. The lowest rated phone of all was the LG Quantum at 0.35 W/kg, and the highest rated phones were the Motorola Bravo and the Motorola Droid 2 Global at 1.59 W/kg and 1.59 W/kg respectively. The legal limit for SAR on a mobile device is 1.6 W/kg.
Source: AppleInsider | Apple's iPhone ranks in middle of pack for radiation