HISTORY OF MEDICINE

SPIRITS

• B.C. 7000
• Ancient societies drill holes in people's heads to release the evil spirits believed to cause disease

HUMORS

• B.C. 460-377
• Greek physician Hippocrates, hypothesizes that fluids, called humors, cause disease

HERBAL TREATMENTS

• A.D. 1330-1352
• People use incense in an attempt to cure those with the Black Death
• This was caused by bacteria transmitted by rats' fleas

ANATOMY

• 1400-1600
• People begin to study anatomy and learn more about it

GERM THEORY

• 1857
• Louis Pasteur hypothesizes that disease is caused by small animals

ANTISEPTIC TECHNIQUE

• 1865
• Joseph Lister finds that cleaning his surgical tools reduces patients' infections

KOCH'S POSTULATES

• 1883
• Robert Koch finds four conditions that prove a pathogen causes a disease

APPLYING ANTISEPTIC TECHNIQUE

• 1900's
• Cities around the world start drinking water with chlorine reducing the cases of cholers

POLIO VACCINE

• 1928
• Jonas Salk's vaccine against polio becomes available
• The disease is eliminated in the U.S. in 1994

ANTIBIOTICS

• 1928
• Sir Alexander Fleming discovers penicillin

NEW DISEASES

• 2002
• First cases of SARS,a disease that affects the respiratory system
• SARS disease sprung up in China

POLIO COMEBACK

• 2005
• Worldwide efforts increase to vaccinate people against polio and the polio virus reemerges in fewer than ten people in the US