The study of drugs or chemicals and the effects they have on living animals is called pharmacology. Pharmacology explains what drugs are, what they do to body functions and what the body does to them. Pharmacology also explains why a person may experience side effects when they take drugs and why there is such a wide spectrum of differences between drug actions in different people.
Everyone at one stage or another in life will rely on a pharmaceutical product, whether it is for themselves, a friend or a family member. Therefore it is useful to have a basic understanding of pharmacology.
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