Which of the following statements is NOT true about drug dependence?

• A. Withdrawal symptoms are a common feature of drug dependence.
• B. Drug dependence can involve both physical and psychological components.
• C. Drug dependence only occurs with illegal substances.
• D. Tolerance to a drug may develop as a result of repeated use.

Answer: (C)

Verified step by step guidance

1. Step 1: Understand the concept of drug dependence, which refers to a condition where an individual relies on a drug to function normally, often involving both physical and psychological aspects.
2. Step 2: Review the statement about withdrawal symptoms, which are physical or psychological effects experienced when the drug use is reduced or stopped, and recognize that these symptoms are indeed common in drug dependence.
3. Step 3: Consider the statement about drug dependence involving both physical and psychological components, which is true because dependence can manifest as physical withdrawal symptoms and psychological cravings or behaviors.
4. Step 4: Analyze the statement claiming drug dependence only occurs with illegal substances. Recall that drug dependence can also develop with legal substances such as alcohol, nicotine, or prescription medications, making this statement false.
5. Step 5: Examine the statement about tolerance, which is the process where repeated use of a drug leads to reduced effects, requiring higher doses to achieve the same effect, and confirm that this is a true characteristic of drug dependence.