: Black Bile, Manic Depression and Melancholy . This paper bridges the gap between ancient humoral theory and modern psychiatry, finding surprising resonances between the "movements" of black bile and modern clinical descriptions of manic depression. Quick Facts for Context Introduction in: Galen’s Theory of Black Bile - Brill
: It discusses the "violence" with which ancient thinkers forced black bile to fit the tetradic scheme (matching it with Earth, Autumn, and Cold/Dry qualities) despite it being the most elusive and "invisible" of the four humors. black bile
: You can find the full article via Taylor & Francis Online . Other Recommended Readings : Black Bile, Manic Depression and Melancholy