"At the very least," Elend said, "the sickness should affect the elderly in different ratios from the healthy."

A sickness has affected my people.

Healing the body can never be seen in isolation and vice-versa, a sickness of the mind affects the body.

He is eventually sent to a hospital and raves about "black coffins" to doctors, who then assume that the sickness is affecting his mind.

Summoning sickness affects use of this rule.

The darkness around the image felt cloying and sticky, as if his sickness affected the picture I had in my mind.

How much would his sickness affect his judgment?

John is sent up river where a sickness is affecting the Yakata tribe.

The strange thing about it was that the sickness only affected kids.