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An overview of how Drugs are designed and developed

A drug is sometimes defined as a chemical that can affect living processes but this can be true of any substance if administered in large amounts (Aschenbrenner and Venable, 2006). In medicine it is generally accepted that a drug is a chemical that has some therapeutic action for a particular condition (Dawson, 2002). The identification and development of a new drug costs an estimated £950m (Tonkens, 2005). It can take between five and 10 years to develop, test and market a new drug ...

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