HISTORY OF MEDICINE

B.C. 7,000 SPIRITS

• ancient Societies drilled holes in people's heads to release the evil spirits believed to cause disease.

B.C. 460- B.C. 377 HUMORS

• Greek physician Hippocrates hypothesizes that fluids, called humors, cause disease.

A.D. 1330-1352 HERBAL TREATMENTS

• people use incense in attempt to cure those with the Black Death.
• the bacteria that caused the Black Death killed 43 million people worldwide, which was 13 percent of the population.

1400-1600 ANATOMY

• People begin to study anatomy.
• Anatomy is the study of bodily structures.

1857 Germ theorY

• Louis Pasteur hypothesizes that disease is caused by small Animals.
• Pasteur also hypothesized that if pathogens were eliminated from the body the person would not be sick.

1865 ANTISEPTIC TECHNIQUE

• joseph Lester finds that cleaning his surgical tools reduces his patients'infections.
• He cleaned his tools with a weak acid before he did another surgery.

1883 koch's Postulates

• Robert koch finds four conditions that prove a pathogen a disease.
• Robert Koch was a german scientist who experimented with healthy and sick animals to come up with his postulates.

1900s Applying Antiseptic technique

• cities around the world start treating drinking water with Chlorine and the cases of Cholera are reduced.

1928 Antibiotics

• Sir alexander fleming discovers pencillin.
• pencillin is an antibiotic produced naturally by certain blue molds.

1955 Polio Vaccine

• jonas salk's vaccine against polio becomes avaliable.
• Polio is eradicated in the U.s. in 1994

2002 nEW Diseases

• First case of SARS, a disease that affects the respiratory system, springs up in china.

2005 POLIO COMEBACK

• worldwide efforts increase to vaccinate people against polio, and the polio virus reemerges in fewer than ten people in the u.s.