Why Does Substance Use Tend to Decline in Young Adulthood

Multiple Choice

Why does substance use tend to decline in young adulthood?

A) Because young adults become parents and transition into new family roles.
B) Because young adults experience more peer pressure to not use substances.
C) Because young adults visit health care providers more often and are aware of their behaviors being monitored.
D) Because young adults do not have as much time as they did in adolescence to engage in substance use.