Think about the last time you took medication. Did you read the directions carefully to decide when and how often to take the drug? Were you able to eat before you swallowed the pill? Did you have to have a prescription filled, or were you able to buy the medicine off the pharmacy shelf? Most of these directions were developed based on research and regulations. A whole field of investigation, called pharmacology, is responsible for making sure you are able to receive medications that will treat your ailment and not harm you.
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