Typically, people receive benzodiazepines — drugs that act as sedatives — to lower anxietylevels before receiving anesthesia.

But benzodiazepines can cause a number of side effects that may impact breathing, blood flow, and even mood. It is also necessary for a trained professional to monitor the person's response.

So, anything that simplifies the situation would be welcome. According to a new clinical trial published in Regional Anesthesia & Pain Medicine, that thing may be music.

The power of music in relation to anxiety has been the subject of previous studies. A review of 26 trials, published in 2013, concluded that music may have a "beneficial effect" on preoperative anxiety.

But no study had compared music to benzodiazepines, until now.

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