What research reveals about trauma and body-focused repetitive behaviors. Key points There is no demonstrated causal link between trauma and BFRBs. Individuals with trauma histories can experience BFRBs. BFRB treatment centers around building a fund of healthy self-regulation and self-care strategies. Women plucking eyebrows When the causes of body-focused repetitive behaviors (BFRBs), such as hair pulling (trichotillomania), skin picking (excoriation disorder), or nail bitin