Depressants are psychoactive drugs that temporarily diminish the function or activity of a specific part of the body or mind.  Colloquially, depressants are known as "downers", and users generally take them to feel more relaxed and less tense. Examples of these kinds of effects may include anxiolysis, sedation, and hypotension. Depressants are widely used throughout the world as prescription medicines and as illicit substances . When these are used, effects may include anxiolysis (reduction of anxiety), analgesia (pain relief), sedation , somnolence , cognitive/memory impairment, dissociation , muscle relaxation, lowered blood pressure / heart rate , respiratory depression , anesthesia , and anticonvulsant effects. Depressants exert their effects through a number of different pharmacological mechanisms, the most prominent of which include facilitation of GABA or opioid activity, and inhibition of adrenergic , histamine or acetylcholine activity. Some are also capable of inducing feelings of euphoria (a happy sensation).
While a psychotic reaction can occur following any method of use, emergency room responders have seen an increasing number of cases involving marijuana edibles. Some people (especially preteens and teens) who know very little about edibles don't realize that it takes longer for the body to feel marijuana’s effects when eaten rather than smoked. So they consume more of the edible, trying to get high faster or thinking they haven't taken enough. In addition, some babies and toddlers have been seriously ill after ingesting marijuana or marijuana edibles left around the house.