Smartphones are changing the of our skulls. A small bump is appearing on the head of smartphone users. It is big to feel by pressing . A scientist at a in Australia told the BBC about the bump. He has been a for 20 years. He said in the ten years he has found more with the bump. It is more among 18 to 30-year-olds. They spend many a day bent over their smartphones.
A looked at the smartphone of 1,200 people aged 18 to 86. Younger people had more skull bumps. The bumps will be more if people bend their necks while looking at our . People bend their neck at an to look at their phone. This can strain the . Doctors call strain "text neck". They say the skull bump causes health . They told people to change their sitting if their neck hurts.
