David began smoking cigarettes and drinking alcohol when he was 12, then moved on to smoking marijuana when he was 14, and then began abusing cocaine by the time he was

Question

Quizplus · Accepted Answer

The sequence of drug use David experienced, starting with legal substances and progressing to illegal ones, is an example of the gateway phenomenon, where earlier use of less harmful substances is thought to lead to the use of more harmful substances later.

David Began Smoking Cigarettes and Drinking Alcohol When He Was