Health
Concerns as cellphones linked to skull bumps
7 years ago(FILES) This file photo taken on January 27, 2011 shows a man using a Nokia cellular phone outside Helsinki railway station. Finland, once a world leader in mobile telephony with Nokia, is in a class of its own when it comes to Internet usage on smartphones and tablets, thanks to cheap subscription plans. / AFP PHOTO / LEHTIKUVA / Jarno Mela
Two Australian researchers made the bizarre discovery while examining hundreds of X-rays of skulls, finding that about a third had bone growths.