cures await discovery. Although the list is pretty much endless, here are some examples, by decade, including the main species used that were crucial to the discovery:
Pre-1900: Treatment for rabies (dogs, rabbits), smallpox (cows), anthrax (sheep).
1900s: Cardiac catheterization techniques (dogs, rabbits), treatment for rickets (dogs).
1920s: Discovery of insulin (dogs).
1930s: Development of modern anesthesia (dogs), prevention of tetanus (horses), development of anticoagulants (cats).
1940s: Treatment of rheumatoid arthritis (rabbits, monkeys), discovery of the RH factor (monkeys), prevention of diptheria (horses), antibiotics (rats, mice, rabbits, etc), treatment for whooping cough (pigs and rabbits).
1950s: Prevention of polio (rabbits, monkeys, rodents), discovery of DNA (rats and mice), development of open-heart surgery and pacemaker (dogs), development of cancer chemotherapy (monkeys, rabbits and rodents).
1960s: Development of lithium treatment (rats and......
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