Acute effects

Delayed effects in frequent heavy users

· Mild euphoria

· IQ decline

· Relaxation

· Decline in academic functioning

   and achievement

· Difficulty in concentrating

· Cognitive impairment

· Anxiety

· Cannabis dependence syndrome

· Intensification of sensory experiences

· Propensity for developing schizophrenia

· Distortion of time perception

· Increase in likelihood for using other

   illicit drugs

· Disconnected thoughts

· Loss of reality

· Altered body perception

· Change in body image

· Psychotic symptoms

      · Depersonalization

      · Serialization

      · Suspiciousness

      · Paranoid feelings

· Memory impairments involving:

      · Immediate and delayed

       free recall of   information

      · Working memory

      · Verbal memory

      · Prospective memory

      · Semantic processing

       and retrieval performance

· Impaired motor coordination

· Impaired driving skills

· Increased food intake