Which of the following best explains why addiction is considered a mental disorder?

• A. Addiction is only caused by physical dependence on substances and does not involve psychological factors.
• B. Addiction involves changes in brain function and behavior that impair an individual's ability to control substance use, similar to other mental disorders.
• C. Addiction is not considered a mental disorder because it does not affect thoughts or emotions.
• D. Addiction is classified as a mental disorder because it always results from a lack of willpower.

Answer: (B)

Verified step by step guidance

1. Step 1: Understand the definition of a mental disorder, which typically involves a pattern of behavioral or psychological symptoms that impact an individual's functioning and well-being.
2. Step 2: Recognize that addiction is characterized by changes in brain function, particularly in areas related to reward, motivation, and self-control, which affect behavior.
3. Step 3: Note that addiction involves both physical dependence and psychological factors, including cravings and impaired decision-making, which align with criteria for mental disorders.
4. Step 4: Evaluate the incorrect options by identifying misconceptions, such as addiction being solely about physical dependence, lack of willpower, or not affecting thoughts and emotions.
5. Step 5: Conclude that addiction is considered a mental disorder because it involves brain and behavioral changes that impair control over substance use, consistent with how other mental disorders are defined.