GMAT Critical Reasoning (CR) | It is frequently claimed that caffeine is an addictive substance

It is frequently claimed that caffeine is an addictive substance. Its users often show withdrawal symptoms such as headaches and irritability for several days after ceasing caffeine consumption. However, caffeine is not an addictive substance. Those who exhibit caffeine-consuming behavior that seems to evidence an addiction are overwhelmingly those who also have histories of drug or alcohol abuse, and the consumption of caffeine cannot be said to pose any harm to society, unlike the use of alcohol
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