Some researchers believe that substance use disorders may result from

A) poor physical coordination skills.
B) enlarged ventricles.
C) high blood glucose levels.
D) a reward deficiency syndrome.

Substance Use Disorders

A condition characterized by the excessive use of substances, including drugs or alcohol, leading to clinically significant impairment or distress.

Reward Deficiency Syndrome

A theoretical neurological condition posited to predispose individuals to addiction and compulsive behaviors due to deregulation of the reward pathways.

Enlarged Ventricles

A condition where the brain's ventricular system is larger than normal, which can indicate brain atrophy or other disorders.