400
For a period of 1,000 years, medicine was practiced only in convents and monasteries. During these periods terrible epidemics caused millions of deaths. Uncontrolled diseases in these periods included the bubonic plague, smallpox, diphtheria, syphilis, Lyme disease, and tuberculosis. There was a lack of education during this period and the primary treatment was prayer.
What is the Dark Ages and the Middle Ages