Final answer:
Anti-anxiety drugs are depressants that suppress central nervous system activity by increasing the activity of the GABA neurotransmitter system. They are commonly prescribed to treat anxiety disorders and belong to the subject of Health in High School.
Step-by-step explanation:
A depressant is a drug that tends to suppress central nervous system activity. Anti-anxiety drugs, such as benzodiazepines, are considered depressants because they have a quieting effect on the brain. These drugs work by increasing the activity of the gamma-Aminobutyric acid (GABA) neurotransmitter system, which helps reduce anxiety and promote relaxation.
For example, benzodiazepines like Xanax are commonly prescribed to treat anxiety disorders. They have sedative and antianxiety effects, making them effective in reducing anxiety symptoms. However, it's important to note that these drugs should be used under the supervision of a healthcare professional due to their potential for dependence and abuse.
Overall, anti-anxiety drugs belong to the subject of Health and are typically studied in High School.