Etiology (Biopsychosocial Model)

Biological: THC alters CB1/CB2 receptors.

Psychological: Anxiety/depression relief, poor impulse control.

Social: Peer pressure, social normalization.

• Symptoms & Diagnosis (Mnemonic: HIGH TIMES):

H - Hazardous use

I - Interpersonal issues

G - Great deal of time spent

H - Harm ignored

T - Tolerance

I - Important roles neglected

M - Mood problems if stopped (withdrawal)

E - Efforts to quit fail

S - Efforts to quit fail

Treatment

CBT and relapse prevention

Motivational enhancement therapy

Psychoeducation