- 
  
  
- 
  
  Persian Doctor who discovered difference between measles and small pox
- 
  
  The doctors during the Middle Ages were usually the priests or a religious scholar.
- 
  
  Big trouble having surgery done with open wounds, skin tears, and amputations. Sanitation was done by cleaning the instruments with wine to prevent infections.
- 
  
  Sickness was believed to be a punishment from god.
- 
  
  
- 
  
  He discovered that drinking mercury was a cure for deadly diseases. He believed that god created remedy.
- 
  
  He dissected human bodies and then drew very detailed for a better knowledge of the human anatomy.
- 
  
  They had better observation going on. They began to add more herbs and chemicals to the natural herbs in order to cure the ill quicker.
- 
  
  More infections diseases began coming along. For example, Silicosis, tuberculosis, and Syphilis
- 
  
  The hospitals new technique was to begin isolating the contagious patients so that they could prevent having the other patients with more infections and or bacteria that they could have.
- 
  
  
- 
  
  It helped alleve the pain to millions but jealously to the discoverers.
- 
  
  Edward Jenner cured a little 8 year old boy of chicken box. He gave him the first ever vaccination.
- 
  
  He was the first to test the vaccinate a chickenpox patient.
- 
  
  Many surgeon job were appearing, the new improvement was to inhale and it helped with pain.
- 
  
  proved that the microorganisms were caused by disease.
- 
  
  
- 
  
  Surgeon, with the method of storing blood plasma for blood transfusion and blood banks.
- 
  
  A pill to help prevent migranes and cluster headaches. Helping the SPG singles to prevent headaches.
- 
  
  A printing machine that prints human organs, and human tissues with detail.
- 
  
  
- 
  
  Inventor of the rapid laser technique, it helps atoms during chemical reactors.