About 121 million people worldwide are believed to suffer from depression. This can be seen in disturbed appetite, sleep patterns and overall functioning as well as leading to low self-esteem and feelings of worthlessness and guilt. It can lead to suicide and is associated with a million deaths a year. Drugs and psychotherapy are the usual treatments but a review into the effectiveness of music therapy has shown that this could also be an avenue worth exploring. Four out of the five studies in the review found a beneficial effect but London art therapist Anna Maratos who was the lead author of the study warned that "we will only be able to be confident about the effectiveness of music therapy once some high quality trials have been conducted".
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