Gout
From Tardis Wiki, the free Doctor Who reference
Gout was a disease. The wife of Kublai Khan disapproved of him gambling at backgammon as she believed it aggravated his gout. (TV: "Assassin at Peking") According to Charles, his father conveniently felt the effects of a draft or his gout when he was losing at a game. (TV: The Visitation)