Popular Science published "Fresh Fears Over Cellphones" back in February. Even though the FCC and most cell phone company representatives claim that there is no proof of damage from cell phone radiation, I can't help but think they're leaving out part of the truth.

A relevant point in this matter is that, with or without cell phone radiation, all humans are exposed to natural amounts of solar radiation from the sun, and various modern conveniences (computers, fluorescent lights, wireless routers, etc.) expose us to varying amounts of radiation. So even if low-level radiation exposure is deemed unhealthy, and cell phones are shown to emit an unhealthy amount, what's the big deal since we're surrounded by plenty of other radiation sources?

From my point of view, I would rather minimize my exposure, even if I can't eliminate it altogether (and yes, that's why I wear a headset when I talk on my cell phone).

The safety of cellphones has been called into question, again. This time the scientific community is paying very close attention.

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Last summer neurosurgeon Leif Salford and colleagues at Lund University in Sweden published data showing for the first time an unambiguous link between microwave radiation emitted by GSM mobile phones (the most common type worldwide) and brain damage in rats. If Salford's results are confirmed by follow-up studies in the works at research facilities worldwide, including one run by the U.S. Air Force, the data could have serious implications for the one billion+ people glued to their cellphones.

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His team exposed 32 rats to 2 hours of microwave radiation from GSM cellphones. Researchers attached the phones to the sides of the rats' small cages using coaxial cables -- allowing for intermittent direct exposure -- and varied the intensity of radiation in each treatment group to reflect the range of exposures a human cellphone user might experience over the same time period. Fifty days after the 2-hour exposure, the rat brains showed significant blood vessel leakage, as well as areas of shrunken, damaged neurons. The higher the radiation exposure level, the more damage was apparent. The controls, by contrast, showed little to no damage. If human brains are similarly affected, Salford says, the damage could produce measurable, long-term mental deficits.