Answer:
Dopamine.
Explanation:
Ethanol is a liposoluble neurotropic substance which penetrates the blood-brain barrier and inhibits Central Nervous System (CNS) functions, becoming toxic to the brain. Some of these neurotransmitters play an important role in the development of alcohol addiction. When it comes to the Reward Reinforcement Circuitry, Dopamine is the main neurotransmitter. Several studies support the relationship between alcohol intake and dopamine.
Answer: Adjust the patient's account to reflect no unpaid charges and write off the balance.
