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 describes a verb, adjective, or other adverb. Adverbs usually tell how (for example: slowly), when (e.g., lately), where (e.g., there), how much (e.g., very), or why (e.g., therefore). Example: He always chews his gum loudly. 5.