Studies May Have Overestimated Cellphone Crash Risk

Increased risk of having a car crash attributed to cellphone use may have been overestimated in some past studies, a new analysis suggests.

So-called "distracted driving" has become a big public health issue in recent years. The majority of U.S. states now ban texting behind the wheel, while a handful prohibit drivers from using handheld cellphones at all (though many more ban "novice" drivers from doing so).

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