M ental health issues among adults in the new world are becoming increasingly common . Mental health is a growing concern for adults , as it is for all age groups , but the prevalence of mental health issues among adults is particularly concerning . The new world of technology , globalization , and changing social and economic conditions has resulted in a variety of new mental health issues that have emerged in recent times . M ental health issues among adults can include depression , anxiety , bipolar disorder , post - traumatic stress disorder ( P TS D ), and substance abuse . The prevalence of these mental health issues is increasing among adults due to a variety of factors . One of the biggest contributing factors to mental health issues among adults is stress . Stress can be caused by a variety of factors such as work - related pressures , family...