There are two main types of drugs that can affect the nervous system: stimulants and depressants. Stimulants work by increasing the activity of the nervous system, while depressants work by decreasing the activity of the nervous system.
Stimulants can include drugs like caffeine and amphetamines. These drugs can make you feel more alert and increase your energy levels. However, they can also cause side effects like anxiety and irritability.
Depressants can include drugs like alcohol and benzodiazepines. These drugs can make you feel more relaxed and can help to reduce anxiety. However, they can also cause side effects like drowsiness and impaired coordination. Also check: Alcohol is a depressant