The World Health Organization recently revealed the radiation levels emitted from common cell phones to be "possibly carcinogenic." The new findings put phones in the same category as DDT and car exhaust.
The amount of radio frequency energy that your body absorbs from your cell phone is measured by its Specific Absorption Rate, or SAR. The units are measured in watts per kilogram, and each phone in the U.S. must have an SAR of lower than 1.6 to pass clearance.
We'll take a look at the highest- and lowest-emitting smartphones currently still for sale in the U.S. nowadays.