Final answer:
Anti-anxiety medications work by reducing anxiety symptoms through their effects on the central nervous system. However, one negative consequence of using these medications is the potential for dependence and addiction.
Step-by-step explanation:
Anti-anxiety medications, such as benzodiazepines, work by acting on the central nervous system to reduce anxiety symptoms. These drugs have various effects, including sedation, decreased anxiety, and muscle relaxation. However, one negative consequence of using antianxiety medications is the potential for dependence and addiction.