Learn about chemicals in nature that are used in medicine. Several plants, animals, and microorganisms have chemical compounds that are used in human medicine to treat disease and other conditions (including arthritis and malaria). Scientists have been able to create synthetic versions of natural compounds in the lab, yielding powerful drug compounds such as penicillin and cancer-fighting paclitaxel. Learn more about this topic, from the NOVA program Percy Julian: Forgotten Genius.
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