mental sickness

It shows how powerful mental sickness is: the otherwise normal person becomes sick and not the other way around.

“It was mental sickness, unchecked and untreated.”

“What I see is that it is perhaps a Dutch mental sickness of thinking that you are really that good,” van Oostveen said.

Study after study confirms poor life balance is directly related to both physical and mental sickness and unhappiness.

We don't have blood tests or other objective criteria to distinguish mental sickness from health.