Brainlag PlusWhere drugs come from, the stages of testing, placebos and double-blind trials, and percentage reductions from trial tables.
Where drugs come from
Some drugs began in living things: digitalis (heart) from foxgloves, aspirin (painkiller) from willow, and penicillin, found by Alexander Fleming in the mould Penicillium.
Most new drugs are now made by chemists in the pharmaceutical industry.
The rest of this lesson and its 12 practice questions are in Plus.
Screen 1 of 4, free to read.
- 12 exam-style questions, marked as you go, each with a worked solution
- Anything you get wrong is saved to your flashcards