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.
Produce a state of behavioral depression while also depressing chemical transmission between nerve cells in the brain. Effects of depressants include drowsiness, some behavioral excitation, and loss of inhibition. Alcohol is an example of a depressant.
are drugs that slow down the central nervous system to suppress neural activity in the brain. Alcohol, heroin and tranquillisers are depressants and sometimes called 'downers'. Large quantities make people feel sleepy. Very large doses can lead to fatal overdose as the vital systems of the body like breathing are slowed to the point where they stop.