Humoral Theory, Developed by Greek Physician Hippocrates, Asserted That

Humoral theory, developed by Greek physician Hippocrates, asserted that

A) an optimistic attitude was effective in curing ailments, leading to the cliché "laughter is the best medicine."
B) health depended on a balance among the body's four humors.
C) animal spirits within the body were responsible for incurable disease.
D) madness was the result of problematic relationships during childhood.