Impact of Botox treatment is more than cosmetic

Presenting at the European Psychiatry Congress in March, Tillmann Kruger, Associate Professor of Psychiatry at the Hannover Medical School, told the congress that according to the ‘facial feedback hypothesis’, facial musculature not only expresses, but also regulates, mood states.

Depressive symptoms in the 15 patients who received one injection of onabotuliniumtoxin A in their glabellar region were reduced by 47%, compared with only 9% in the 15 patients in the placebo group, after six weeks in the randomised placebo-controlled trial, an effect that persisted for 16 weeks.

J Psychiat Res 2012;

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