Smartphones are changing the of our skulls. Some people spend so looking at smartphones that a small bump is appearing above their . It is big to feel by pressing the bottom of the skull. A health at a university in Australia spoke to the BBC about the . He said: "I have been a [doctor] for 20 years....In the last , increasingly, I have been discovering that my have this growth on the skull." The bump is more among 18 to 30-year-olds. They spend many a day bent over their smartphones.
A study looked at the smartphone of 1,200 people aged 18 to 86. The 18 to 30-year-olds were more to have the skull bumps. A researcher said the bumps will be more becausewe bend our necks while looking at our phones. The skull bump could come from always bending the neck at an to look at digital . Bending our head at the angle for a long time can strain the neck. Doctors call this "text neck". They also say the skull bump causes health . They told people to change their if their neck becomes sore.