Drapetomania - The Psychiatry of Slave Runnin'.

Boy, it's a good thing OUR science is always beyond such wrong headedness.

Whew!

Drapetomania - Wikipedia, the free encyclopedia:

"Drapetomania was a psychiatric diagnosis proposed in 1851 by physician Samuel A. Cartwright, of the Louisiana Medical Association, to explain the tendency of black slaves to flee captivity."