There is evidence that mental health issues are closely linked to risk of becoming NEET, and that there is also a relationship between homelessness and mental health issues.
Mae tystiolaeth bod cysylltiad agos rhwng materion iechyd meddwl â bod mewn perygl o fod yn NEET, a bod perthynas hefyd rhwng digartrefedd a phroblemau iechyd meddwl.