discovery of drugs

• aspirin:

  • painkiller
  • originates from the willow
• digitalis:

  • to treat heart problems
  • originates from foxgloves
• penicillin:

  • alexander flemming
  • was culturing bacteria and found penicillium mould
  • had clear rings which indicated there was no bacteria there
  • mould was producing penicillin, which killed bacteria