Under the DSM-5, there are eight types of substance use disorders that doctors can diagnose. Caffeine is also listed as a substance-related disorder under DSM-5, however, it is not designated as a substance use disorder.2. Alcohol.
adverbs answer the questions-how ,why,when and where.ie,adverb of manner,adverb of purpose and reason,adverb of time and adverb of place.
A rhetorical question intended as a challenge... the question is difficult or impossible to answer. In the example, What have the Romans ever done for us? (Monty Python's Life of Brian) the question functions as a negative assertion. It is intended to mean The Romans have never done anything for us!.