1st century AD.: The four schools of medicine

By the 1st century A.D. there are four schools of medicine competing with each other throughout Greece and Rome: 

1. Rationalism (dogmatism):  They attempted to rationalize disease and made up theories to explain it. Click here to learn more about this school or sect. 
2. Empericism:  They came to conclusions about disease based on their own experience. Click here to learn more about this school or sect. 
3. Methodism (Atomist, Sodomist):  They believed disease was caused by the arrest of molecules through invisible pores.  Click here to learn about this school or sect. 
4. Eclectic:  They accepted the best ideas of all the other schools.  A good example of such a physician is Claudius Galen.  Click here to read about Galen.