Spend five minutes on any busy street corner and you'll spot people using tablets and smartphones in dangerous ways, whether it's texting behind the wheel or strolling with their eyes on the screen.
But distracted driving and walking aren't the only perils lurking behind touchscreen devices such as iPads, iPhones, BlackBerrys, Windows Phones, and Androids. Although not quite as dramatic, other touchscreen-oriented health hazards are even more insidious because most people aren't even aware that they exist. The potential for injury from using touchscreens will only go up as more people use smartphones and tablets, especially if Microsoft's Windows 8 effort succeeds in popularizing touchscreen PCs and laptops.
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