Botox has long been recognised for its wrinkle-busting properties, however, scientists now believe the jab could also treat mental illness.
New study shows that the cosmetic treatment can dramatically improve the symptoms of severe depression in more than a quarter of patients.
According to the study conducted by Dr Eric Finzi, medical director at the Chevy Chase Cosmetic Centre, in Maryland, physical expressions of emotion influence our feelings.
Finzi believes that smoothing out frown lines using Botox can actually improve the mood of people with clinical depression, the 'Daily Mail' reported.
He says his latest research shows that forcing a frown can cause a depressed mood, while deliberately smiling can temporarily increase happiness.
He first proposed the theory that by preventing frowning, the toxin is interrupting signals to the brain that indicate the body is under stress or cannot cope.
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