____ is a drug or substance that makes you feel relaxed and makes your body work and react more slowly.

A depressant is a drug or substance that lowers neurotransmission levels, which is to depress or reduce arousal or stimulation in various areas of the brain. Depressants function by slowing down the central nervous system (CNS), making a person feel relaxed and causing their body reactions and functions to slow down. Examples include alcohol, barbiturates, and benzodiazepines.Antidote: A substance that can counteract a form of poisoning.Analgesic: A drug used to achieve relief from pain (painkiller).Antihistamine: A drug used to treat allergic reactions.