Which of the following is NOT a common use of benzodiazepines?

Benzodiazepines are primarily used for their anxiolytic (anxiety-reducing), sedative, muscle relaxant, and anticonvulsant properties. They are commonly prescribed to manage anxiety disorders, assist with sleep disturbances, and promote muscle relaxation in various medical conditions.

While some might misuse these substances, particularly in the context of enhancing performance or altering mood, the legitimate medical uses of benzodiazepines do not include enhancing athletic performance. That is why the correct answer indicates this as the option that does not align with the typical therapeutic applications of benzodiazepines.

In clinical practice, benzodiazepines serve specific roles, such as reducing anxiety levels, helping individuals gain restful sleep, and providing muscle relaxation for patients dealing with certain physical ailments. Therefore, choice C stands out as an inappropriate application of benzodiazepines in a medical or therapeutic context.