[The_Gun_Nut]

Found this over at dumpshock.com (for those of you who don't frequent the website that often).  I wonder why it only seems to affect the elderly?

http://www.aolnews.com/2011/01/10/chinas-huang-yuanfan-sprouts-3-inch-horn-from-head/?test=latestnews

[FastJack]

Maybe the older you are, the more mana is present in your system, like a battery?

Actually, it's probably more about calcium deposits and such.