Thomas is a university student who meets criteria for alcohol and marijuana use disorders. Assuming his drug use history is consistent with the data, how old was he when he started having problems with drug use?
A)12
B)14
C)16
D)18

Question

Quizplus · Accepted Answer

The average age of onset for substance use disorders is typically in the mid-teens. Given that Thomas is a university student and meets criteria for both alcohol and marijuana use disorders, it is reasonable to infer that his problems with drug use likely began around age 14, which is consistent with the onset patterns observed in epidemiological studies.

Thomas Is a University Student Who Meets Criteria for Alcohol