Ethics in science?

INTERVIEWER
The world’s first controlled clinical trial demonstrated that one of the treatments had won hands down. Within a week, the sailors who had eaten the oranges and the lemons were fit for duty and were nursing the others back to health. Science had categorically proved Lind’s case, but the admiralty was stuck in a different age. It ignored Lind’s findings for over 40 years, and thousands of sailors died needlessly.
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Back to - Video 1 What the Industrial Revolution did for us. Presenter Dan Cruickshank tells the story of the first clinical trial, proving that oranges and lemons could save the lives of sailors by preventing scurvy. (2:48 min)