Grumpy Old Geeks Topics Phone use and skull bone growth Topic Phone use and skull bone growth 3 mentions in 1 episode The speakers question whether phone use causes the bone growth described in a news article. Mentions 355: Phone Bones Jun 22, 2019 59:01 Horns are growing on young people's skulls. Phone use is to blame, research suggests. 1:00:17 There is no necessary connection between these things. 1:00:35 We don't even know if it's happening more than it used to happen