The Mayo Clinic suggests that you may misuse alcohol if you answer “yes” to some of the following questions: Your doctor may also use a questionnaire that assesses alcohol use disorder to help diagnose your condition.
On the hand, drug abuse is the frequent use of a substance in which the user consumes the substances with methods or in amounts that can harm them or others (Common Wealth of Australia, 201).
Though the main cause of drug abuse has not been established, therefore, it is not possible to just have one direct cause.
These changes increase the pleasurable feelings you get when you drink alcohol.
This makes you want to drink more often, even if it causes harm.