Definitions for "Depressants"
Drugs that slow down the activity of the central nervous system.
Drugs that relieve anxiety and produce sleep. Depressants include barbiturates, benzodiazepines, and alcohol.
Drugs that depress the brain, slow reflexes, numb sensation, etc. Depressants can affect T3 metabolism by slowing breakdown of T3, which leads to prolonged levels of T3 beyond appropriate brain function. This may affect mood.