Why do we chew things when anxious or concentrating?

18th November 2010

Asked by: ANON

Chewing gives the mouth something to do, which may help tune out distractions. It might also mimic suckling at the breast, thus provoking a soothing response. A 2008 study at the University of Melbourne found that chewing gum lowered levels of the stress hormone cortisol during stressful activities.

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