TED-Ed: How one scientist averted a national health crisis - Andrea Tone

Frances Kelsey, a new FDA recruit, played a crucial role in preventing the approval of thalidomide in the US. Despite pressure from the drug company Merrell, Kelsey demanded more evidence of the drug's safety, which was later found to cause severe birth defects. Her actions led to stricter drug regulations and she became a celebrated figure, receiving recognition from President Kennedy. Kelsey's legacy in evidence-based medicine continues to protect public health.

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