- 
  
  the average life span was 20 years back then
 - 
  
  during the primitive ages they believed that illness and disease were caused by supernatural spirits and demons
 - 
  
  tribal witch doctors treated illness with ceremonies to drive out the evil spirits
 - 
  
  herbs and plants were used as medicines and some are still used today
 - 
  
  trepanation or trephining was used to treat insanity and epilepsy
 - 
  
  earliest people were known to maintain accurate health records
 - 
  
  they were called upon the gods to heal them when disease occurred
 - 
  
  physicians were priests who studied medicine and surgery in temple medical schools
 - 
  
  they believed the body was a system of channels for air, tears, blood, urine, sperm, and feces
 - 
  
  the average life span was 20 to 30 years back then
 - 
  
  there were religious prohibitions against dissection resulted in inadequate knowledge of body structure
 - 
  
  they carefully monitored the pulse to determine the condition of the body
 - 
  
  believed in the need to treat the whole body by curing the spirit and nourishing the body
 - 
  
  recorded a pharmacopoeia of medications based mainly on the use of herbs
 - 
  
  the average life span was 20 to 30 years
 - 
  
  18th-gabriel fahrenheit created the first mercury thermometer in 1714
18th-benjamn franklin invented bifocals - 
  
  18th-john hunter made scientific surgical procedures and he introduced tube feeding
19th-training for nurses began - 
  
  19th-viruses were discovered in 1892. infection control developed once microorganisms were associated with disease
 - 
  
  19th- women became active in health care
 - 
  
  18th- the average life span back then was 40-50 years
19th- the average life span back then was 40-60 years - 
  
  ambroise pare was a french surgeon he established the use of ligatures to bind arteries and stop bleeding
 - 
  
  the first successful blood transfusion on animals was performed in England in 1667
 - 
  
  bartolomeo eustachio identified the eustachian tube leading from the ear to the throat
 - 
  
  scientific societies such as the royal society of London were established
 - 
  
  the average life span back then was 35 to 45 years
 - 
  
  they began modern medical science by observing the human body and effects of disease
 - 
  
  biochemist alcmaeon in 6th century bc identified the brain as the physiological site of the senses
 - 
  
  hippocrates called the father of medicine he developed an organized method to observe the human body
 - 
  
  aristotle dissected animals and is called the founder of comparative anatomy
 - 
  
  they used therapies such as massage, art therapy, and herbal treatment that are still used today
 - 
  
  the average life span was 25 to 35 years back then
 - 
  
  they renewed interest in the medical practice of greeks and romans
 - 
  
  physicians began to obtain knowledge at medical universities in the 19th century
 - 
  
  arab physicians used their knowledge of chemistry to advance pharmacology
 - 
  
  arab developed criteria for distinguishing between smallpox and measles
 - 
  
  they were the first to organize medical care by providing care for injured soldiers
 - 
  
  early hospitals developed when physicians cared for ill people in rooms in their homes
 - 
  
  they began public health and sanitation systems
 - 
  
  Claudius Galen a physician established many medical beliefs
that the body regulated by four fluids or humors - 
  
  the average life span was 25 to 35 years back then
 - 
  
  emphasis was placed on saving the soul and the study of medicine was prohibited
 - 
  
  prayer and divine intervention were used to treat illness and diseases
 - 
  
  monks and priests provided custodial care for people who were sick
 - 
  
  the medicines were mainly herbal mixtures
 - 
  
  the average life span was 20 to 30 years
 - 
  
  the renaissance was a time of the rebirth of science and medicine
 - 
  
  the first anatomy book was published by andreas vesalius
 - 
  
  micheal servetur, described the circulatory system in the lungs, he also explained how digestion is a source of heat for the body
 - 
  
  roger bacon, promoted chemical remedies to treat disease, he also researched optics and refraction
 - 
  
  the average life span was 30 to 40 years back then
 - 
  
  18th-Gabriel Fahrenheit created the first mercury thermometer
18th- John Hunter, created scientific surgical procedures and introduced tube feeding - 
  
  18th-Benjamin Franklin invented bifocals
19th-training for nurses began - 
  
  19th-infection control developed once microorganisms were associated with disease
viruses were discovered in 1892 - 
  
  19th-women became active participants in health care
 - 
  
  18th- the average life span was 40-50 years
19th- the average life span was 40-60 - 
  
  in the 19th century they increased knowledge about the role of blood in your body
 - 
  
  new medications were discovered like insulin was used to treat diabetes, antibiotics were developed to fight infections
 - 
  
  new machines were developed like kidney dialysis machine, heart lung machine
 - 
  
  in the 20th century they also implanted the first artificial heart, health care plans developed to help pay the cost of care
 - 
  
  the average life span in the 19th century is 80-90 years
 - 
  
  the first implantable artificial heart was placed in a patient in Louisville, Ky, in 2001
 - 
  
  advanced cell technology announced it cloned a human embryo in 2001 but the embryo did not survive
 - 
  
  The U.S. FDA approved the use of the abortion pill RU-486 IN 200
 - 
  
  the Netherlands became the first country in the world to legalize euthanasia in 2002
 - 
  
  20th- increased knowledge about the role of blood in the body
ABO blood groups discovered - 
  
  20th- organ transplants
21st-the U.S. FDA approved the use of the abortion pill RU-486 IN 200 - 
  
  President George W. Bush approved federal funding for research using only existing lines of embryonic stem cells in 2001