Discovery Fit & Health
Beginning in classical Greece, the four humors were used to account for personality differences among individuals. The four humors were substances produced by the body, phlegm, yellow bile, black bile and blood. Too much or too little of one humor led to an imbalance that was characterized by personality traits. Too much black bile, for example, led one to be melancholic.
Which demographic group is especially at risk for suicide?
Answered by Discovery Fit & Health
What does a neuropsychologist do?
Answered by HowStuffWorks
Can natural disasters scare some people to death?
Answered by Susan Sherwood and Discovery Fit & Health