A 21-year-old man started using cannabis at age 15 and found…
A 21-year-old man started using cannabis at age 15 and found himself escalating his daily use at age 17 to achieve the same desired effect. He feels “jittery” and “depressed,” and cannot sleep when he does not use cannabis. He was an above-average student in junior high school, but his performance and grades subsequently fell and he often felt unmotivated. Despite wanting to pursue a college education, he missed several application deadlines. He took a job at a local coffee shop because the short work shifts allowed more time to use cannabis alone at home. Which of the following diagnoses best describes this presentation?