A scary percentage of the people in the room with you are suffering from a mental disorder.
Simply put, the common denominator among perpetrators of mass shootings is not mental disorder, but being a young male.
The husband did not even consider that she was now suffering from some kind of mental disorder.
mental disorder n.
See mental illness.
mental illness n.
Any of various disorders characterized chiefly by abnormal behavior or an inability to function socially, including diseases of the mind and personality and certain diseases of the brain. Also called mental disease, mental disorder.