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Pharmacology is the study of how drugs interact with the body to treat or prevent disease

But why was the car there in the first place? Sam turned to the chapter on —the story of what the drug does to the body.He saw the car arrive at a building with a specific door called a Receptor . The car pulled out a unique "Molecular Key." If the key fit perfectly, the lights in the building turned on, and the city’s power grid improved. This, the manual said, was the Mechanism of Action . 3. The Seven Guardian Rules