This is also in the article - does no one read past the first three paragraphs?
Media reports often assume a binary distinction between mild and severe mental illness, and connect the latter form to unpredictability and lack of self-control. However, this distinction, too, is called into question by mental health research. To be sure, a number of the most common psychiatric diagnoses, including depressive, anxiety, and attention-deficit disorders, have no correlation with violence whatsoever.18 Community studies find that serious mental illness without substance abuse is also “statistically unrelated” to community violence.40 At the aggregate level, the vast majority of people diagnosed with psychiatric disorders do not commit violent acts—only about 4% of violence in the United States can be attributed to people diagnosed with mental illness.41,42
Media reports often assume a binary distinction between mild and severe mental illness, and connect the latter form to unpredictability and lack of self-control. However, this distinction, too, is called into question by mental health research. To be sure, a number of the most common psychiatric diagnoses, including depressive, anxiety, and attention-deficit disorders, have no correlation with violence whatsoever.18 Community studies find that serious mental illness without substance abuse is also “statistically unrelated” to community violence.40 At the aggregate level, the vast majority of people diagnosed with psychiatric disorders do not commit violent acts—only about 4% of violence in the United States can be attributed to people diagnosed with mental illness.41,42