Current Events > Smartphones causing humans to grow spikes

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A cause-and-effect relationship hasn't been identified, but it's possible that the spike comes from constantly bending one's neck at uncomfortable angles to look at smart devices. The human head is heavy, weighing about 10 lbs. (4.5 kilograms), and tilting it forward to look at funny cat photos (or however you spend your smartphone time) can strain the neck hence the crick people sometimes get, known as "text neck."

Text neck can increase pressure on the juncture where the neck muscles attach to the skull, and the body likely responds by laying down new bone, which leads to that spiky bump, Shahar told the BBC. This spike distributes the weight of the head over a larger area, he said.

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