The common factor among psychoactive drugs may be
A)their ability to activate the "pleasure pathways" of the brain.
B)the ease of obtaining them and the relatively inexpensive cost.
C)the similar way in which they are metabolized in the body.
D)their identical effect on neurotransmitters at the synapse.

Question

Quizplus · Accepted Answer

Psychoactive drugs have the ability to activate the "pleasure pathways" of the brain, which is a common factor among them. These pleasure pathways are responsible for feelings of reward, pleasure, and motivation, which is why psychoactive drugs can lead to addiction and drug-seeking behavior.

The Common Factor Among Psychoactive Drugs May Be