depression has also been shown to increase risky and unhealthy behaviours including smoking naylor et al work in scotland by barnett et al people with mental disorders especially with anxiety disorders have been found to be more likely to divorce and to be married for a shorter period of time than populations without a mental disorder kessler et al mildtomoderate mental illnesses have been shown to have a strong relationship with higher unemployment higher absenteeism lower productivity in the workplace and a rising burden of disability benefits claims alonso et al