medicine through time

• The Hippocratic Oath was taken by doctors to pledge their commitment to the practice of medicine.
• Hippocrates believed that diseases were caused by imbalances in bodily fluids, which could be corrected with dietary changes or purging.
• Galen's work on anatomy was based on animal dissections rather than human cadavers.
• Hippocrates believed that diseases were caused by an imbalance between four humors (blood, phlegm, black bile, yellow bile) in the body.
• During the Renaissance, there was renewed interest in classical Greek and Roman ideas about health and disease.