The early physical-dependence theories of drug addiction were discredited by the observation that
A) detoxified drug-addicted individuals almost always return to their drug-taking habits.
B) if drug-addicted individuals withdraw over a long period, withdrawal symptoms are more severe.
C) drug-addicted individuals who are kept from using drugs for a year or more almost always permanently kick the habit.
D) both A and B
E) both B and C

Question

Quizplus · Accepted Answer

The observation that detoxified drug-addicted individuals almost always return to their drug-taking habits discredits the early theory that drug addiction is solely caused by physical dependence on the drug. If physical dependence were the only factor, drug-addicted individuals should be permanently free from addiction after they have gone through detoxification. However, this is usually not the case.

The Early Physical-Dependence Theories of Drug Addiction Were Discredited by the Observation