Hippocrates believed that personality traits are linked to the balance of four bodily fluids known as humors. Each humor corresponds to different personality types: sanguine, phlegmatic, choleric, and melancholic. Thus, the correct answer is A) Personality traits are based on four separate temperaments associated with four fluids ('humors') of the body.
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The concept associated with Hippocrates's ideas about personality is that personality traits are based on four separate temperaments connected to four ‘humors’ or bodily fluids.
Hippocrates, a Greek physician born around 460 BC, is often referred to as the "Father of Medicine." He developed a theory that human character and health were influenced by four primary bodily fluids: blood, phlegm, yellow bile, and black bile. These fluids were known as the four humors.
According to this theory:
Blood was associated with a sanguine temperament, characterized by sociability and a lively personality.
Phlegm was related to a phlegmatic temperament, marked by calmness and reliability.
Yellow bile was connected with a choleric temperament, which included characteristics of being ambitious and energetic.
Black bile was linked to a melancholic temperament, often associated with individuals who were thoughtful and sometimes moody.
Hippocrates believed that an imbalance in any of these humors could affect both a person's physical health and personality. Therefore, the best answer to the question is (C) Both diseases and personality differences can be explained by imbalances in the humors , as this choice captures Hippocrates's idea that these fluid imbalances could explain the differences in human personality and health.