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.
For example, an adverb tells us when, where, how, in what manner, or to what extent an action is performed. They most commonly modify verbs, but they can also modify adjectives or other adverbs. When: He has pizza yesterday.