Stimulants and Depressants: Key Facts on Barbiturates

Stimulants and depressants affect the central nervous system in contrasting ways. Understanding the facts about barbiturates is essential for recognizing their role as powerful sedative-hypnotic drugs.

Pharmacists at a computer with medication and talking

Facts on Stimulants and Depressants

Published Aug,14 2017 | By Anna Boyum, Ph.D.

Stimulants and depressants are drugs that alter natural function of the brain. As a result, they can affect people's feelings and actions profoundly. Generally, stimulants intensify mental and physical functions, such as alertness and heart rate.