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.
Asking a question or being of the nature of a question: an interrogative raising of the eyebrows. 2. Of, relating to, or being an element or construction used to ask a question: an interrogative adverb; an interrogative particle. n. 1. A word or form used to ask a question.