HISTORY OF MEDICINE

SPIRITS

• Drill holes in heads
• Release evil spirits that cause disease
• B.C. 7000

HUMORS

• Hypothesis
• Fluids, called humors, cause diseases
• B.C. 460-B.C. 377

HERBAL TREATMENTS

• Attempted to cure those with the Black Death
• Caused by bacteria in rats' fleas
• A.D. 1330-1352

ANATOMY

• Began to study anatomy
• 1400-1600

GERM THEORY

• Louis Pastuer
• Hypothesizes that disease is caused by small animals
• 1857

ANTISEPTIC TECHNIQUE

• Joseph Lister
• Cleaning his surgical tools reduces infections
• 1865

KOCH'S POSTULATES

• Robert Koch
• Four conditions
• Proves a pathogen causes a disease
• 1883

APPLYING ANTISEPTIC TECHNIQUE

• Cities around the world
• Treating drinking water with chlorine
• Reduces the cases of cholera
• 1900s

ANTIBIOTICS

• Sir Alexander Fleming
• Discovers penicillin
• 1928

POLIO VACCINE

• Jonas Salk
• Vaccine against polio becomes available
• Disease is eliminated in 1994
• 1955

NEW DISEASES

• First cases of SARS
• Disease that affects the respiratory system
• China
• 2002

POLIO COMEBACK

• Efforts increase to vaccinate against polio
• Fewer than 10 people in the US
• 2005