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.
An adverb is a part of speech used to describe a verb, adjective, clause, or another adverb. It simply tells the readers how, where, when, or the degree at which something was done. The manager accepted the challenge very nicely. The italicized word is an adverb that describes nicely, which is another adverb.