A study published in the Journal of Oral Rehabilitation found that 13 to 15-year-olds who experienced verbal bullying at school were nearly four times as likely to suffer from teeth-grinding at night, or sleep bruxism, than other teenagers.

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A study published in the Journal of Oral Rehabilitation found that 13 to 15-year-olds who experienced verbal bullying at school were nearly four times as likely to suffer from teeth-grinding at night, or sleep bruxism, than other teenagers.