Rare bone disease dates to King Tut

Recent findings about the physical condition of King Tut, who died at the age of 19 some 3,300 years ago, show him to have been a fragile individual with many physical problems. DNA testing indicated his parents were siblings, a common practice among pharaohs of that period.  Tut apparently had a club foot and shuffered from Kohler's syndrome, a disease that still affects children today:

http://www.associatedcontent.com/article/2708235/rare_kohlers_disease_affected_bones.html?cat=37