The team looked at illness in 1,200 manual workers across 40 South Korean companies.
Kraepelin announced that he had found a new way of looking at mental illness.
Only when researchers understand it better are tests and treatments directed at nighttime illness likely to improve.
Sociologists think that it is more helpful to look at health and illness through a broad lens.
The basis of this approach is to look at mental illness or distress from the perspective of a spiritual crisis.
Learn about your own health, looking at every accident or serious illness you have suffered.
So we have to start looking at mental illness like any other disorder.
Her scowl said plainly, Nobody has the right to laugh at illness.
We're also looking at illness from other organisms not unique to sewage.
But the world still doesn't look at mental illness in that way.