3 words in this vocabulary list
noun a synthetic drug that stimulates the central nervous system, used to treat conditions such as narcolepsy and attention deficit hyperactivity disorder
noun A word that represents a person, place, thing, or idea. In this case, 'mind' is a noun because it refers to the part of a person that thinks, feels, and perceives.
adjective A word that describes or modifies a noun. In this case, 'expanding' is an adjective because it describes the type of effect that the drug has on the mind.
noun a drug or supplement that enhances cognitive function, particularly executive functions, memory, creativity, or motivation, in healthy individuals