Use the data in the accompanying table that summarizes results from a clinical trial of a drug. Find the odds ratio and relative risk for an infection in the group treated with the drug compared to the placebo group. Based on this result, does the drug appear to increase the risk of an infection? Why or why not? Drug Treatment Placebo Infection 89 21 No Infection 747 242

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Substance Abuse

Substance abuse refers to the use of illegal drugs in excessive quantities, as well as the misuse of legal substances such as prescription or over-the-counter pharmaceuticals or alcohol for purposes other than those intended. Drug addiction, also known as substance use disorder, is a disease that affects the brain and behavior of a person. It leads to a failure to control the use of any drug or prescription, legal or illegal.