shown to have the appropriate medical training and expertise to opine on this question , and her testimony in this regard is therefore not competent . As to the medical evidence , the Board finds that it weighs against a nexus between any current psychiatric disability and service . The Veteran ' s private treatment records show that she received counseling for problems related to caring for her disabled son , the death of her parents and other son , and sexual trauma in her adolescence . Her April 2006 disability evaluation found that the Veteran ' s disorder was caused by the loss of her family members , and at her November 2004 Social Services evaluation , she reported many life stressors that led to her intrusive