Drug Discovery - GCSE Biology

🦊 In this GCSE Biology video, we explain how traditional drugs were originally extracted from plants and microorganisms, a key point for exams. It provides examples, such as Digitalis, a heart drug derived from foxgloves, and aspirin, a painkiller originating from willow tree bark. The video also discusses the discovery of the antibiotic penicillin by Alexander Fleming, who observed its bacterial growth-inhibiting properties after mold contamination in his petri dish. For exams, students should know these origins of drugs and Fleming's role in the discovery of penicillin.

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